Biggest changeResults are as follows (in thousands): Fiscal Year Ended December 31, 2022 2021 2020 Revenue $ 629,097 $ 515,657 $ 429,899 Cost of revenue (1)(2) 275,320 236,024 209,253 Gross profit 353,777 279,633 220,646 Operating expenses (1)(2) Sales and marketing 301,347 227,023 192,600 Research and development 104,556 66,107 50,643 General and administrative 99,064 64,410 50,783 Total operating expenses 504,967 357,540 294,026 Loss from operations (151,190) (77,907) (73,380) Other income (expense) Interest income (expense), net 4,297 (16) (1,146) Other income (expense), net (4,696) (920) 55 Total other expense, net (399) (936) (1,091) Net loss before taxes (151,589) (78,843) (74,471) Income tax provision (2,286) (1,183) (3,149) Net loss attributable to common stockholders $ (153,875) $ (80,026) $ (77,620) Net loss per share attributable to common stockholders Basic and diluted $ (1.09) $ (1.46) $ (2.33) Weighted-average shares used in computing net loss per share attributable to common stockholders Basic and diluted 140,873,504 54,972,827 33,384,438 (1) Includes stock-based compensation expense as follows (in thousands): Fiscal Year Ended December 31, 2022 2021 2020 Cost of revenue $ 5,360 $ 1,623 $ 418 Sales and marketing 29,054 8,637 7,518 Research and development 20,850 6,816 5,232 General and administrative 26,029 17,604 18,450 Total stock-based compensation expense $ 81,293 $ 34,680 $ 31,618 (2) Includes amortization of intangible assets as follows (in thousands): Fiscal Year Ended December 31, 2022 2021 2020 Cost of revenue $ 2,900 $ 1,022 $ — Sales and marketing 1,366 481 — Total amortization of intangible assets $ 4,266 $ 1,503 $ — 53 Table of Contents The following table summarizes our results of operations as a percentage of revenue for each of the periods indicated: Fiscal Year Ended December 31, 2022 2021 2020 Revenue 100 % 100 % 100 % Cost of revenue 44 46 49 Gross profit 56 54 51 Operating expenses Sales and marketing 48 44 45 Research and development 17 13 12 General and administrative 15 12 11 Total operating expenses 80 69 68 Loss from operations (24) (15) (17) Other income (expense) Interest income (expense), net 1 — — Other income (expense), net (1) — — Total other expense, net — — — Net loss before taxes (24) (15) (17) Income tax provision — — (1) Net loss attributable to common stockholders (24) % (15) % (18) % Comparison of the fiscal years ended December 31, 2022 and 2021 Revenue Fiscal Year Ended December 31, Change 2022 2021 $ % Revenue (in thousands, except percentages) Consumer $ 315,059 $ 328,703 $ (13,644) (4) % Enterprise 314,038 186,954 127,084 68 % Total revenue $ 629,097 $ 515,657 $ 113,440 22 % Revenue for the fiscal year ended December 31, 2022 was $629.1 million, compared to $515.7 million for the same period in the prior year, which represents an increase of $113.4 million, or 22%.
Biggest changeResults are as follows (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Revenue $ 728,937 $ 629,097 $ 515,657 Cost of revenue (1)(2) 309,598 275,320 236,024 Gross profit 419,339 353,777 279,633 Operating expenses (1)(2) Sales and marketing 316,738 301,347 227,023 Research and development 120,335 104,556 66,107 General and administrative 93,898 99,064 64,410 Restructuring charges 10,263 — — Total operating expenses 541,234 504,967 357,540 Loss from operations (121,895) (151,190) (77,907) Other income (expense) Interest income 20,670 5,548 204 Interest expense (518) (1,251) (220) Other expense, net (1,898) (4,696) (920) Total other income (expense), net 18,254 (399) (936) Net loss before taxes (103,641) (151,589) (78,843) Income tax provision (3,653) (2,286) (1,183) Net loss attributable to common stockholders $ (107,294) $ (153,875) $ (80,026) Net loss per share attributable to common stockholders Basic and diluted $ (0.71) $ (1.09) $ (1.46) Weighted-average shares used in computing net loss per share attributable to common stockholders Basic and diluted 150,098,776 140,873,504 54,972,827 53 Table of Contents (1) Includes stock-based compensation expense as follows (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Cost of revenue $ 7,006 $ 5,360 $ 1,623 Sales and marketing 30,859 29,054 8,637 Research and development 26,301 20,850 6,816 General and administrative 30,672 26,029 17,604 Restructuring charges 1,208 — — Total stock-based compensation expense $ 96,046 $ 81,293 $ 34,680 (2) Includes amortization of intangible assets as follows (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Cost of revenue $ 2,900 $ 2,900 $ 1,022 Sales and marketing 1,208 1,366 481 Total amortization of intangible assets $ 4,108 $ 4,266 $ 1,503 The following table summarizes our results of operations as a percentage of revenue for each of the periods indicated: Fiscal Year Ended December 31, 2023 2022 2021 Revenue 100 % 100 % 100 % Cost of revenue 42 44 46 Gross profit 58 56 54 Operating expenses Sales and marketing 43 48 44 Research and development 17 17 13 General and administrative 13 15 12 Restructuring charges 1 — — Total operating expenses 74 80 69 Loss from operations (16) (24) (15) Other income (expense) Interest income 3 1 — Interest expense — — — Other expense, net — (1) — Total other income (expense), net 3 — — Net loss before taxes (13) (24) (15) Income tax provision (1) — — Net loss attributable to common stockholders (14) % (24) % (15) % 54 Table of Contents Comparison of the fiscal year ended December 31, 2023 and 2022 Revenue Fiscal Year Ended December 31, Change 2023 2022 $ % Revenue (in thousands, except percentages) Enterprise $ 420,646 $ 314,038 $ 106,608 34 % Consumer 308,291 315,059 (6,768) (2) % Total revenue $ 728,937 $ 629,097 $ 99,840 16 % Revenue for the fiscal year ended December 31, 2023, was $728.9 million, compared to $629.1 million for the same period in the prior year, which represents an increase of $99.8 million, or 16%.
However, it is difficult to predict customer adoption rates and demand, the future growth rate and size of the market for cloud-based skill development solutions, or the entry of competitive solutions. Components of results of operations Revenue We recognize revenue from contracts with paid consumer learners and UB customers by delivering access to our online learning platform.
However, it is difficult to predict customer adoption rates and demand, the future growth rate and size of the market for cloud-based skill development solutions, or the entry of competitive solutions. Components of results of operations Revenue We recognize revenue from contracts with UB customers and paid consumer learners by delivering access to our online learning platform.
Financing activities For the fiscal year ended December 31, 2022, net cash provided by financing activities was $14.8 million, primarily driven by proceeds from issuance of common stock via stock option exercises of $7.1 million and issuances of common stock under our employee stock purchase plan of $9.2 million, which was partially offset by a $1.6 million payment of deferred offering costs associated with our IPO.
For the fiscal year ended December 31, 2022, net cash provided by financing activities was $14.8 million, primarily driven by proceeds from issuance of common stock via stock option exercises of $7.1 million and issuances of common stock under our employee stock purchase plan of $9.2 million, which were partially offset by a $1.6 million payment of deferred offering costs associated with our IPO.
Our efforts to grow our existing relationships with our consumer learners are focused on increasing their engagement and converting free learners into buyers. New learners to our platform typically begin to engage with our free courses, which serve as a funnel to grow our total learner base and drive referrals to our paid other offerings.
Our efforts to grow our existing relationships with our consumer learners are focused on increasing their engagement and converting free learners into buyers. New learners to our platform typically begin to engage with our free courses, which serve as a funnel to grow our total learner base and drive referrals to our paid offerings.
We presently expect that revenue from our Enterprise segment will grow faster than our Consumer segment, which will be beneficial to our overall margins. 49 Table of Contents Ability to expand our international footprint We currently generate a significant portion of our revenue outside North America.
We presently expect that revenue from our Enterprise segment will continue to grow faster than our Consumer segment, which will be beneficial to our overall margins. 49 Table of Contents Ability to expand our international footprint We currently generate a significant portion of our revenue outside North America.
Principal versus agent — In order to determine whether revenue should be reported as gross or net of either payments to third-party instructors or amounts retained by reseller partners who sell access to Enterprise subscription offerings, we evaluated whether we are the principal for sales of our consumer and UB offerings. 63 Table of Contents Determining whether we are the principal involves making key judgments about whether Udemy controls the contracted services before being transferred to the end customer.
Principal versus agent — In order to determine whether revenue should be reported as gross or net of either payments to third-party instructors or amounts retained by reseller partners who sell access to Enterprise subscription offerings, we evaluated whether we are the principal for sales of our consumer and UB offerings. 64 Table of Contents Determining whether we are the principal involves making key judgments about whether Udemy controls the contracted services before being transferred to the end customer.
Any investments we make in our sales and marketing organization, in encouraging the development of new content, and in expanding our platform offerings and capabilities, whether organically or through acquisitions, will occur in advance of the benefits from such investments, making it difficult to determine if we are efficiently allocating our resources in these areas.
Any investments we make in our sales and marketing organization, in encouraging the development of new content, and in expanding our platform offerings and capabilities, whether organically or through acquisitions or strategic partnerships, will occur in advance of the benefits from such investments, making it difficult to determine if we are efficiently allocating our resources in these areas.
Interest income (expense), net Interest income consists primarily of interest income earned on our cash equivalents and short-term and long-term investments, including amortization of premiums and accretion of discounts related to our available-for-sale marketable securities, net of associated fees. Interest expense consists primarily of interest expense recorded related to certain indirect tax reserves.
Interest income Interest income consists primarily of interest income earned on our cash equivalents and short-term investments, including amortization of premiums and accretion of discounts related to our available-for-sale marketable securities, net of associated fees. Interest expense Interest expense consists primarily of interest expense related to certain indirect tax reserves.
Recent accounting pronouncements See Note 2 to our consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K for information regarding recently issued accounting pronouncements. 65 Table of Contents
Recent accounting pronouncements See Note 2 to our consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K for information regarding recently issued accounting pronouncements. 66 Table of Contents
Udemy’s consumer marketplace has attracted 59 million learners in over 180 countries who are looking for the knowledge and skills they need to attain in-demand jobs, further their career, and improve their well-being.
Udemy’s consumer marketplace has attracted 69 million learners in over 180 countries who are looking for the knowledge and skills they need to attain in-demand jobs, further their career, and improve their well-being.
Off-balance sheet arrangements During the periods presented, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. 62 Table of Contents Contractual obligations and commitments Our estimated future obligations as of December 31, 2022 include both current and long term obligations.
Off-balance sheet arrangements During the periods presented, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. 63 Table of Contents Contractual obligations and commitments Our estimated future obligations as of December 31, 2023, include both current and long term obligations.
We define adjusted EBITDA as net loss attributable to common stockholders, adjusted to exclude: • interest expense (income), net; • provision for income taxes; • depreciation and amortization; • stock-based compensation expense; and • other expense (income), net.
We define adjusted EBITDA as net loss attributable to common stockholders, adjusted to exclude: • interest income; • interest expense; • provision for income taxes; • depreciation and amortization; • stock-based compensation expense; • other expense (income), net; and • restructuring charges.
We believe that our existing cash and cash equivalents and our expected cash flows from operations will be sufficient to meet our cash needs for at least the next 12 months. Over the long term, we plan to continue investing in the growth and development of our platform.
We believe that our existing cash and cash equivalents and our expected cash flows from operations will be sufficient to meet our cash needs for at least the next 12 months. 61 Table of Contents Over the long term, we plan to continue investing in the growth and development of our platform.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2022 compared to the fiscal year ended December 31, 2021 is presented below.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2023 compared to the fiscal year ended December 31, 2022 is presented below.
Restricted cash totaled $3.6 million and consists of cash deposited with financial institutions held as collateral for our obligations under various facility leases. Marketable securities are comprised of investments in U.S. government securities with an original maturity greater than 90 days at the date of purchase.
Restricted cash totaled $4.0 million and consists of cash deposited with financial institutions held as collateral for our obligations under various facility leases. Marketable securities are comprised of investments in U.S. government securities with an original maturity greater than 90 days at the date of purchase.
Investing activities For the fiscal year ended December 31, 2022, net cash used in investing activities was $173.2 million, primarily as a result of $158.5 million in purchases of marketable securities, $5.0 million for the purchase of strategic investments, and $14.2 million related to capitalized software costs.
For the fiscal year ended December 31, 2022, net cash used in investing activities was $173.2 million, primarily as a result of our $158.5 million purchase of marketable securities, $5.0 million purchase of strategic investments, and $14.2 million related to capitalized internal-use software costs.
Under our operating leases, as noted in the consolidated financial statements included in Part II, Item 8, "Financial Statements and Supplementary Data", we have a current obligation of $7.0 million and a long-term obligation of $6.5 million.
Under our operating leases, as noted in the consolidated financial statements included in Part II, Item 8, "Financial Statements and Supplementary Data", Note 6 – Leases, we have a current obligation of $5.8 million and a long-term obligation of $1.1 million.
We expect cost of revenue to generally decrease as a percentage of revenue as we increase the percentage of revenue derived from our UB offering. Operating expenses Operating expenses consist of research and development, sales and marketing, and general and administrative expenses.
We expect cost of revenue to generally decrease as a percentage of revenue as we increase the percentage of revenue derived from our UB offering and decrease the instructor revenue share percentage. Operating expenses Operating expenses consist of research and development, sales and marketing, general and administrative expenses, and restructuring charges.
In addition, we expect sales and marketing expenses as a percentage of revenue to vary from period to period but generally decrease over the long term. Research and development Our research and development expenses consist primarily of personnel-related costs, including stock-based compensation, costs related to the ongoing management, maintenance, and expansion of features and services offered on our platform.
In addition, we expect sales and marketing expenses as a percentage of revenue to vary from period to period, depending on the timing of our marketing activities, but generally expect this percentage to decrease over the long term. 51 Table of Contents Research and development Our research and development expenses consist primarily of personnel-related costs, including stock-based compensation, and costs related to the ongoing management, maintenance, and expansion of features and services offered on our platform.
For our subscription based UB offering, content costs are incurred based on monthly subscription fees, and margins are more stable from period to period.
For our UB and consumer subscription offerings, content costs are incurred based on monthly subscription fees, and margins are more stable from period to period.
Income tax expense for the fiscal years ended December 31, 2022 and 2021, was primarily comprised of foreign taxes.
Income tax expense for the fiscal years ended December 31, 2023 and 2022, was primarily comprised of foreign and state taxes.
December 31, 2022 2021 2020 (in thousands) Udemy Business annual recurring revenue $ 371,727 $ 239,257 $ 137,621 57 Table of Contents Udemy Business Net Dollar Retention Rate and Udemy Business Large Customer Net Dollar Retention Rate We disclose UB Net Dollar Retention Rate, or UB NDRR, as a measure of revenue growth for all UB customers within our Enterprise segment, including UB Large Customers, which we define as companies with at least 1,000 employees.
December 31, 2023 2022 2021 (in thousands) Udemy Business annual recurring revenue $ 465,997 $ 371,727 $ 239,257 Udemy Business Net Dollar Retention Rate and Udemy Business Large Customer Net Dollar Retention Rate We disclose UB Net Dollar Retention Rate, or UB NDRR, as a measure of revenue growth for all UB customers within our Enterprise segment, including UB Large Customers, which we define as companies with at least 1,000 employees.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2021 compared to the fiscal year ended December 31, 2020 can be found in “Management's Discussion and Analysis of Financial Condition and Results of Operations” in our prior year Form 10-K, which was originally filed with the SEC on March 25, 2022.
A discussion regarding our financial condition and results of operations for the fiscal year ended December 31, 2022 compared to the fiscal year ended December 31, 2021 can be found in “Management's Discussion and Analysis of Financial Condition and Results of Operations” in our prior year Form 10-K, which was filed with the SEC on February 27, 2023.
We anticipate that our operating expenses will increase as we continue to build our sales and marketing efforts, expand our course catalog, develop our immersive learning capabilities, and invest in our technology development.
We anticipate that our operating expenses will increase as we continue to build our sales and marketing efforts, expand our course catalog, develop our immersive learning capabilities, and invest in our technology development, including investments in generative artificial intelligence.
The following table summarizes our cash flows for the periods indicated (in thousands): Fiscal Year Ended December 31, 2022 2021 2020 Net cash provided by (used in): Operating activities $ (60,957) $ (7,104) $ 9,624 Investing activities (173,227) (52,693) (14,537) Financing activities 14,755 418,634 131,093 Effect of foreign exchange rates on cash flows (25) — — Net increase (decrease) in cash, cash equivalents and restricted cash $ (219,454) $ 358,837 $ 126,180 Operating activities Cash used in operating activities mainly consists of our net loss adjusted for certain non-cash items, including stock-based compensation, depreciation and amortization, amortization of deferred sales commissions, as well as the effect of changes in operating assets and liabilities during each period.
The following table summarizes our cash flows for the periods indicated (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Net cash provided by (used in): Operating activities $ (2,005) $ (60,957) $ (7,104) Investing activities (24,972) (173,227) (52,693) Financing activities 19,195 14,755 418,634 Effect of foreign exchange rates on cash flows 20 (25) — Net increase (decrease) in cash, cash equivalents and restricted cash $ (7,762) $ (219,454) $ 358,837 Operating activities Cash used in operating activities mainly consists of our net loss adjusted for certain non-cash items, including stock-based compensation, depreciation and amortization, amortization of deferred sales commissions, as well as the effect of changes in operating assets and liabilities during each period.
General and administrative Our general and administrative expenses consist primarily of personnel-related costs, including stock-based compensation, costs related to our executive, legal, finance, and human resources departments, as well as charges for indirect tax reserves, allowance for credit losses, professional fees, and other corporate expenses.
General and administrative Our general and administrative expenses consist primarily of personnel-related costs, including stock-based compensation, costs related to our executive, legal, finance, and human resources departments, as well as charges for indirect tax reserves, allowance for credit losses, professional fees, and other corporate expenses. We expect general and administrative expenses to increase in absolute dollars as our business grows.
These increases were partially offset by a decrease in marketing costs of $8.3 million. 55 Table of Contents Research and development. Research and development expenses for the fiscal year ended December 31, 2022 were $104.6 million, compared to $66.1 million for the same period in the prior year.
These increases were partially offset by a decrease in marketing costs of $8.3 million. Research and development. Research and development expenses for the fiscal year ended December 31, 2023 were $120.3 million, compared to $104.6 million for the same period in the prior year.
In our Enterprise segment, customer support costs increased by $11.5 million in the fiscal year ended December 31, 2022, as compared to the same period in the prior year.
In our Enterprise segment, customer support costs increased by $8.4 million in the fiscal year ended December 31, 2023, as compared to the same period in the prior year.
Sales and marketing expenses for the fiscal year ended December 31, 2022 were $301.3 million, compared to $227.0 million for the same period in the prior year.
Sales and marketing expenses for the fiscal year ended December 31, 2023 were $316.7 million, compared to $301.3 million for the same period in the prior year.
General and administrative expenses for the fiscal year ended December 31, 2022 were $99.1 million, compared to $64.4 million for the same period in the prior year.
General and administrative expenses for the fiscal year ended December 31, 2023 were $93.9 million, compared to $99.1 million for the same period in the prior year.
Income tax provision Fiscal Year Ended December 31, Change 2022 2021 $ % (in thousands, except percentages) Income tax provision $ (2,286) $ (1,183) $ (1,103) 93 % For the fiscal year ended December 31, 2022, we recognized income tax expense of $2.3 million, compared to $1.2 million for the same period in the prior year.
Income tax provision Fiscal Year Ended December 31, Change 2023 2022 $ % (in thousands, except percentages) Income tax provision $ (3,653) $ (2,286) $ (1,367) 60 % For the fiscal year ended December 31, 2023, we recognized income tax expense of $3.7 million, compared to $2.3 million for the same period in the prior year.
Content costs for the Consumer and Enterprise segments were $118.8 million and $73.7 million for the fiscal year ended December 31, 2022, respectively, compared to $131.9 million and $45.0 million for the same period in the prior year, respectively.
Content costs for the Enterprise and Consumer segments were $95.8 million and $113.7 million for the fiscal year ended December 31, 2023, respectively, compared to $73.7 million and $118.8 million for the same period in the prior year, respectively.
The increase in revenue for the fiscal year ended December 31, 2022 was primarily driven by the significant growth in our UB customer base, which was partially offset by a decrease in Consumer revenue during the same period.
The increase in revenue for the fiscal year ended December 31, 2023 was primarily driven by the growth in our Enterprise segment, which was partially offset by a decrease in Consumer revenue during the same period.
The number of monthly average buyers is calculated as the average of monthly buyers during a particular period, such as a fiscal year. Our monthly average buyer count is not intended as a measure of active engagement, as not all buyers are active at any given time or over any given period.
We then calculate monthly average buyers by taking an average of the monthly buyer totals over a particular period, such as a fiscal year. Our monthly average buyer count is not intended as a measure of active engagement, as not all buyers are active at any given time or over any given period.
Consumer revenue consists of individual course content purchases made by individual learners, as well as our consumer subscription offerings. Consumer revenue includes the gross transaction value paid by the learner at checkout, net of (a) actual and estimated refunds and (b) passthrough taxes collected from learners and remitted to governmental authorities.
Consumer revenue includes the gross transaction value paid by the learner at checkout, net of (a) actual and estimated refunds and (b) passthrough taxes collected from learners and remitted to governmental authorities.
The $38.4 million increase was primarily due to higher personnel-related expenses of $17.9 million, mainly driven by additional headcount; increased stock-based compensation expense of $14.0 million; and an additional $6.5 million of software subscriptions and allocated costs to support the growth of our business. General and administrative.
The $15.8 million increase was primarily due to higher personnel-related expenses of $7.6 million, increased stock-based compensation expense of $5.5 million, and an additional $3.0 million of software subscriptions and allocated costs to support the growth of our business. General and administrative.
Content costs as a percentage of segment revenue for the Consumer and Enterprise segments were 38% and 23% for the fiscal year ended December 31, 2022, respectively, compared to 40% and 24% for the same period in the prior year, respectively.
Content costs as a percentage of segment revenue for the Enterprise and Consumer segments were 23% and 37%, respectively, for the fiscal year ended December 31, 2023, and 23% and 38%, respectively, for the fiscal year ended December 31, 2022.
On a consolidated basis, there was an increase of $3.3 million in amortization of capitalized software, an increase of $1.9 million of amortization of intangible assets, and an increase of $3.7 million related to stock-based compensation expense for the fiscal year ended December 31, 2022, when compared to the same period in the prior year.
On a consolidated basis, there was an increase of $4.9 million in amortization of capitalized software and an increase of $1.6 million related to stock-based compensation expense for the fiscal year ended December 31, 2023, when compared to the same period in the prior year. 55 Table of Contents Gross margin was 58% for the fiscal year ended December 31, 2023, compared to 56% for the same period in the prior year.
Enterprise license subscriptions include Team Plan, Enterprise Plan, Udemy Business Pro, and Cohort Learning. Enterprise subscriptions are generally billed in advance on a quarterly or annual basis. Subscription revenue excludes any taxes to be remitted to governmental authorities.
Enterprise revenue primarily relates to enterprise license subscription contracts with annual or multi-year subscription terms. Enterprise license subscriptions include Team Plan, Enterprise Plan, Udemy Business Pro, and Leadership Academy. Enterprise subscriptions are typically billed in advance on a quarterly or annual basis. Subscription revenue excludes any taxes to be remitted to governmental authorities.
Gross margin was 56% for the fiscal year ended December 31, 2022, compared to 54% for the same period in the prior year. The increase in gross margin was primarily due to a shift in mix of revenue toward our Enterprise segment, which has comparatively lower content costs as a percentage of revenue than the Consumer segment.
The increase in gross margin was primarily due to a shift in mix of revenue toward our Enterprise segment, which has comparatively lower content costs as a percentage of revenue than the Consumer segment.
We define adjusted EBITDA margin as adjusted EBITDA divided by revenue for the same period. 59 Table of Contents The following table provides a reconciliation of net loss, the most directly comparable GAAP financial measure, to adjusted EBITDA (in thousands): Fiscal Year Ended December 31, 2022 2021 2020 Net loss $ (153,875) $ (80,026) $ (77,620) Adjusted to exclude the following: Interest (income) expense, net (4,297) 16 1,146 Income tax provision 2,286 1,183 3,149 Depreciation and amortization 21,216 15,297 11,055 Stock-based compensation expense 81,293 34,680 31,618 Other (income) expense, net 4,696 920 (55) Adjusted EBITDA $ (48,681) $ (27,930) $ (30,707) The following table provides a reconciliation of net loss margin, the most directly comparable GAAP financial measure, to adjusted EBITDA margin (in thousands, except percentages): Fiscal Year Ended December 31, 2022 2021 2020 Revenue $ 629,097 $ 515,657 $ 429,899 Net loss $ (153,875) $ (80,026) $ (77,620) Net loss margin (24) % (16) % (18) % Revenue $ 629,097 $ 515,657 $ 429,899 Adjusted EBITDA $ (48,681) $ (27,930) $ (30,707) Adjusted EBITDA margin (8) % (5) % (7) % Net loss increased by $73.8 million in the fiscal year ended December 31, 2022 compared to the same period in the prior year, and adjusted EBITDA decreased by $20.8 million in the fiscal year ended December 31, 2022 compared to the same period in the prior year.
We define adjusted EBITDA margin as adjusted EBITDA divided by revenue for the same period. 60 Table of Contents The following table provides a reconciliation of net loss attributable to common stockholders, the most directly comparable GAAP financial measure, to adjusted EBITDA (in thousands): Fiscal Year Ended December 31, 2023 2022 2021 Net loss attributable to common stockholders $ (107,294) $ (153,875) $ (80,026) Adjusted to exclude the following: Interest income (20,670) (5,548) (204) Interest expense 518 1,251 220 Income tax provision 3,653 2,286 1,183 Depreciation and amortization 24,588 21,216 15,297 Stock-based compensation expense 94,838 81,293 34,680 Other expense, net 1,898 4,696 920 Restructuring charges 10,263 — — Adjusted EBITDA $ 7,794 $ (48,681) $ (27,930) The following table provides a reconciliation of net loss margin, the most directly comparable GAAP financial measure, to adjusted EBITDA margin (in thousands, except percentages): Fiscal Year Ended December 31, 2023 2022 2021 Revenue $ 728,937 $ 629,097 $ 515,657 Net loss attributable to common stockholders $ (107,294) $ (153,875) $ (80,026) Net loss margin (15) % (24) % (16) % Revenue $ 728,937 $ 629,097 $ 515,657 Adjusted EBITDA $ 7,794 $ (48,681) $ (27,930) Adjusted EBITDA margin 1 % (8) % (5) % Net loss attributable to common stockholders decreased by $46.6 million in the fiscal year ended December 31, 2023, compared to the same period in the prior year.
The main drivers of the changes in operating assets and liabilities were a $67.7 million increase in deferred revenue, resulting primarily from our enterprise business growth, offset by a $32.3 million increase in accounts receivable, a $28.6 million decrease in accounts payable, accrued expenses and other current liabilities, which includes a $13.7 million one-time payment to settle our instructor withholding tax reserve, and a $53.4 million increase in deferred contract costs. 61 Table of Contents For the fiscal year ended December 31, 2021, cash used in operating activities was $7.1 million, primarily consisting of our net loss of $80.0 million, adjusted for non-cash charges of $68.1 million and net cash outflows of $4.8 million provided by changes in our operating assets and liabilities.
The main drivers of the changes in operating assets and liabilities were a $67.7 million increase in deferred revenue, resulting primarily from our Enterprise business growth, offset by a $32.3 million increase in accounts receivable $28.6 million decrease in accounts payable, accrued expenses and other current liabilities, which includes a $13.7 million one-time payment to settle our instructor withholding tax reserve, and a $53.4 million increase in deferred contract costs.
Certain key business metrics and non-GAAP financial metrics In addition to the measures presented in our consolidated financial statements, we use the key business metrics and non-GAAP financial metrics identified below to help us assess the health of our community, evaluate our business, identify trends affecting our business, formulate business plans, and make strategic decisions. 56 Table of Contents Monthly average buyers A buyer is a consumer who purchases a course or subscription through our direct-to-consumer offering.
Certain key business metrics and non-GAAP financial metrics In addition to the measures presented in our consolidated financial statements, we use the key business metrics and non-GAAP financial metrics identified below to help us assess the health of our community, evaluate our business, identify trends affecting our business, formulate business plans, and make strategic decisions.
Significant judgment is required in determining our income tax expense and deferred tax assets and liabilities, including evaluating uncertainties in the application of accounting principles and complex tax laws. 64 Table of Contents We utilize the asset and liability method under which deferred tax assets and liabilities arise from the temporary differences between the tax basis of an asset or liability and our reported amount in the consolidated financial statements, as well as from net operating loss and tax credit carryforwards.
We utilize the asset and liability method under which deferred tax assets and liabilities arise from the temporary differences between the tax basis of an asset or liability and our reported amount in the consolidated financial statements, as well as from net operating loss and tax credit carryforwards.
If our available funds are insufficient to fund these future activities or execute on our business strategies, we may raise additional capital through equity, equity-linked or debt financing, to the extent such funding sources are available.
If our available funds are insufficient to fund these future activities or execute on our business strategies, we may raise additional capital through equity, equity-linked or debt financing, to the extent such funding sources are available. Alternatively, we may be required to reduce expenses to manage liquidity; however, any such reductions could adversely impact our business and competitive position.
Business combinations Accounting for business combinations requires us to make significant estimates and assumptions, especially at the acquisition date with respect to tangible and intangible assets acquired and liabilities assumed. We use our best estimates and assumptions to assign fair value to the tangible and intangible assets acquired and liabilities assumed at the acquisition date.
We use our best estimates and assumptions to assign fair value to the tangible and intangible assets acquired and liabilities assumed at the acquisition date.
The increase in Enterprise revenue was primarily driven by an increase in the number of UB customers, as well as an increase in the average deal size per new customer and net expansions in our existing UB customer base.
The increase in UB ARR was primarily driven by an increase in the number of UB customers and net expansions in our existing UB customer base.
Personnel costs are the most significant component of our operating expenses and consist of salaries, benefits, bonuses, stock-based compensation, and commissions. Our operating expenses also include allocated costs of facilities, information technology, depreciation, and amortization.
Personnel costs are the most significant component of our operating expenses and consist of salaries, benefits, bonuses, stock-based compensation, and commissions. Our operating expenses also include allocated costs of facilities, information technology, depreciation, and amortization. Although our operating expenses may fluctuate from period to period, we currently expect our operating expenses to increase in absolute dollars over time.
The $74.3 million increase in sales and marketing expense was primarily due to higher personnel-related expenses of $32.5 million, driven by headcount growth in our sales force to support additional demand for our platform; increased stock-based compensation expense of $20.4 million; increased amortization expense related to deferred contract acquisition costs of $14.5 million, driven by an expansion of our UB customer base over time; a $5.0 million increase in travel and employee activities due to additional in-person sales events and the easing of COVID-19 travel restrictions; a $7.4 million increase in software subscriptions and allocated costs to support the growth in our sales force; and a $1.7 million increase in professional services to support the growth of our business.
The $15.4 million increase in sales and marketing expense was primarily due to increased amortization of deferred contract costs of $15.9 million, driven by an expansion of our UB customer base over time, increased personnel-related expenses of $2.7 million, increased stock-based compensation expense of $1.8 million, a $0.8 million increase in travel and employee activities, and a $1.8 million increase in software subscriptions and allocated costs to support the growth of our business.
From time to time, we may explore additional financing sources, which could include equity, equity-linked or debt financing. In addition, in connection with any future acquisitions or strategic investments, we may pursue additional funding, which could include debt, equity or equity-linked financings, or a combination of these methods.
In addition, in connection with any future acquisitions or strategic investments, we may pursue additional funding, which could include debt, equity or equity-linked financings, or a combination of these methods. We can provide no assurance that any additional financing will be available to us on acceptable terms.
For the fiscal year ended December 31, 2022, Consumer and Enterprise revenue were $315.1 million and $314.0 million, respectively, representing 50% and 50% of total revenue, respectively, compared to $328.7 million and $187.0 million, respectively, representing 64% and 36% of total revenue, respectively, for the same period in the prior year.
For the fiscal year ended December 31, 2023, Enterprise and Consumer revenue was $420.6 million and $308.3 million, respectively, representing 58% and 42% of total revenue, respectively, compared to $314.0 million and $315.1 million, respectively, representing 50% and 50% of total revenue, respectively, for the same period in the prior year.
In October 2021, we received net proceeds of $397.4 million, after deducting underwriting discounts and commissions of $23.1 million, from our IPO. In November 2021, the underwriters exercised their option to purchase additional shares of our common stock, resulting in net proceeds of $17.8 million after deducting underwriting discounts and commissions of $1.0 million.
In November 2021, the underwriters exercised their option to purchase additional shares of our common stock, resulting in net proceeds of $17.8 million after deducting underwriting discounts and commissions of $1.0 million. From time to time, we may explore additional financing sources, which could include equity, equity-linked or debt financing.
Key factors impacting our performance We believe that the growth of our business and our future success are dependent upon many factors.
The restructuring plan was completed in the third quarter of 2023. 48 Table of Contents Key factors impacting our performance We believe that the growth of our business and our future success are dependent upon many factors.
Although our operating expenses may fluctuate from period to period, we currently expect our operating expenses to increase in absolute dollars over time. 51 Table of Contents Sales and marketing Our sales and marketing expenses consist primarily of personnel-related costs, including stock-based compensation, as well as marketing costs, costs related to customer and instructor acquisition, amortization of deferred contract costs, amortization of tradenames and customer relationships acquired through business combinations, and brand marketing.
Sales and marketing Our sales and marketing expenses consist primarily of personnel-related costs, including stock-based compensation, as well as marketing and brand costs, costs related to customer and instructor acquisition, amortization of deferred contract costs, and amortization of tradenames and customer relationships acquired through business combinations.
To do so, we generally count unique customers using the concept of a domestic ultimate parent, defined as the highest business in the family tree that is in the same country as the contracted entity. In some cases, we deviate from this methodology, defining the contracted entity as a unique customer despite existence of a domestic ultimate parent.
Udemy Business customers We count the total number of UB customers at the end of each period. To do so, we generally count unique customers using the concept of a domestic ultimate parent, defined as the highest business in the family tree that is in the same country as the contracted entity.
While each of these factors presents significant opportunities for us, these factors also pose challenges that we must successfully address in order to sustain the growth of our business and enhance our results of operations. 48 Table of Contents Ability to attract and engage new learners and Udemy Business customers To grow our business, we must attract new learners and UB customers efficiently and increase engagement on our platform over time.
While each of these factors presents significant opportunities for us, these factors also pose challenges that we must successfully address in order to sustain the growth of our business and enhance our results of operations.
Instructors whose content is included in the collection earn a prorated portion of this pool based on the number of minutes of consumption their courses achieved that month. Content costs as a percentage of revenue for our UB and consumer subscription offerings are lower relative to individual course content purchases in our consumer offering.
Instructors whose content is included in the collection earn a prorated portion of this pool based on the number of minutes of consumption their courses achieved that month. Content costs are recorded as cost of revenue in the period earned by our instructors.
As noted in Note 10, Commitments and Contingencies, to the consolidated financials included in Part II, Item 8, "Financial Statements and Supplementary Data", we have a current obligation of $24.3 million and a long-term obligation of $36.9 million. Critical accounting policies and estimates Our consolidated financial statements have been prepared in accordance with GAAP.
Refer to Note 8 – Commitments and contingencies, to the consolidated financials included in Part II, Item 8, "Financial Statements and Supplementary Data", for more information. Critical accounting policies and estimates Our consolidated financial statements have been prepared in accordance with GAAP.
Once we bring new learners onto our platform, we work to create a best-in-class experience to encourage engagement and drive learning and career outcomes.
Our organic channels include those outside of our paid marketing efforts, such as a Udemy brand name internet search. Once we bring new learners onto our platform, we work to create a best-in-class experience to encourage engagement and drive learning and career outcomes.
In addition, we expect research and development expenses as a percentage of revenue to vary from period to period but generally decrease over the long term.
In addition, we expect research and development expenses as a percentage of revenue may vary from period to period depending on the timing of investments in our platform.
We can provide no assurance that any additional financing will be available to us on acceptable terms. Use of funds Our principal uses of cash are funding our operations, capital expenditures and working capital requirements. We have generated significant net losses from our operations as reflected in our accumulated deficit of $612.4 million as of December 31, 2022.
Use of funds Our principal uses of cash are funding our operations, capital expenditures and working capital requirements. We have generated significant net losses from our operations as reflected in our accumulated deficit of $719.7 million as of December 31, 2023.
Interest income and interest expense were each immaterial for the periods presented. Other income (expense), net Other income (expense), net consists primarily of foreign currency transaction gains and losses, as well as changes in the valuation of strategic investments, if any.
Other expense, net Other expense, net consists of foreign currency transaction gains and losses, as well as changes in the valuation of strategic investments, if any. Income tax provision Our income tax provision consists primarily of income taxes in certain foreign jurisdictions in which we conduct business.
Dividend Yield — The expected dividend was assumed to be zero as we have never paid dividends and have no current plans to do so.
Dividend Yield — The expected dividend was assumed to be zero as we have never paid dividends and have no current plans to do so. We will continue to use judgment in evaluating the assumptions related to our stock-based compensation on a prospective basis.
Content costs, which are payments made to our instructors, are the largest individual component of segment cost of revenue.
Content costs, which are payments made to our instructors, are the largest individual component of segment cost of revenue. We expect to increase the percentage of our revenue derived from our Enterprise segment over time, which we expect will improve our gross margins.
For the fiscal year ended December 31, 2022, total Consumer revenue decreased by $13.6 million, or 4%, compared to the same period in the prior year. The decrease in Consumer revenue is primarily due to negative impacts from foreign currency exchange rates. Monthly average buyers were flat for the comparative periods.
These changes were partially offset by a negative impact from foreign currency exchange rates. For the fiscal year ended December 31, 2023, total Consumer revenue decreased by $6.8 million, or 2%, compared to the same period in the prior year. The decrease was primarily due to a decrease in revenue from single course purchases.
As a result, we expect to recognize restructuring charges of $9.0 million to $11.0 million in the first quarter of 2023, primarily consisting of personnel expenses such as salaries and wages, one-time severance payments, and other benefits, as well as stock-based compensation expense. Cash payments related to these expenses will occur primarily in the first and second quarters of 2023.
As a result, we recognized restructuring charges of $10.3 million, primarily consisting of personnel expenses such as salaries and wages, one-time severance payments, and other benefits, as well as stock-based compensation expense.
We consider all available evidence, both positive and negative, including historical levels of income, expectations, and risks associated with estimates of future taxable income in assessing the need for a valuation allowance.
We consider all available evidence, both positive and negative, including historical levels of income, expectations, and risks associated with estimates of future taxable income in assessing the need for a valuation allowance. 65 Table of Contents Business combinations Accounting for business combinations requires us to make significant estimates and assumptions, especially at the acquisition date with respect to tangible and intangible assets acquired and liabilities assumed.
As a result, shifts in the mix between our two offerings is expected to be a significant driver of future changes in gross margin. Content costs are recorded as cost of revenue in the period earned by our instructors. For consumer single course purchases, content costs are incurred at the time of purchase.
Content costs as a percentage of revenue for our UB and consumer subscription offerings are lower relative to individual course content purchases in our consumer offering. As a result, shifts in the mix between offerings and changes to the revenue share structure for UB and consumer subscriptions are expected to be a significant driver of future changes in gross margin.
Pricing was not a significant driver of the increase in revenue. 54 Table of Contents Cost of revenue, gross profit and gross margin Fiscal Year Ended December 31, Change 2022 2021 $ % (in thousands, except percentages) Cost of revenue $ 275,320 $ 236,024 $ 39,296 17 % Gross profit 353,777 279,633 74,144 27 % Gross margin 56 % 54 % Cost of revenue for the fiscal year ended December 31, 2022 was $275.3 million, compared to $236.0 million for the same period in the prior year, which represents an increase of $39.3 million, or 17%.
Cost of revenue, gross profit and gross margin Fiscal Year Ended December 31, Change 2023 2022 $ % (in thousands, except percentages) Cost of revenue $ 309,598 $ 275,320 $ 34,278 12 % Gross profit 419,339 353,777 65,562 19 % Gross margin 58 % 56 % Cost of revenue for the fiscal year ended December 31, 2023 was $309.6 million, compared to $275.3 million for the same period in the prior year, which represents an increase of $34.3 million, or 12%.
Stock-based awards that may be granted to employees, directors, and non-employees include restricted stock units (“RSUs”), stock options, stock appreciation rights (“SARs”), restricted stock, and stock purchase rights granted to employees under the Employee Stock Purchase Plan (“ESPP Rights”). We estimate the fair value of RSUs based on our common stock price on the date of grant or modification.
Stock-based awards that may be granted to employees, directors, and non-employees include restricted stock units (“RSUs”), performance-based restricted stock units (“PSUs”), stock options, stock appreciation rights (“SARs”), restricted stock, and stock purchase rights granted to employees under the Employee Stock Purchase Plan (“ESPP Rights”). No stock options or SARs have been granted since the Company’s initial public offering in 2021.
Revenue from single course purchases is recognized ratably over the estimated service period, which is four months from the date of enrollment, while revenue from consumer subscriptions is recognized ratably over the contractual subscription term. 50 Table of Contents Enterprise revenue primarily relates to enterprise license subscription contracts with annual or multi-year subscription terms.
Revenue from single course purchases is recognized ratably over the estimated service period, which is four months from the date of enrollment, while revenue from consumer subscriptions is recognized ratably over the contractual subscription term. 50 Table of Contents We are the principal with respect to revenue generated from sales to UB and consumer customers as we control the performance obligation and are the primary obligor with respect to delivering our customers access to the course content.
We expect general and administrative expenses to increase in absolute dollars as our business grows. In addition, we expect general and administrative expenses as a percentage of revenue to vary from period to period but generally decrease over the long term.
In addition, we expect general and administrative expenses as a percentage of revenue to vary from period to period but generally decrease over the long term. Restructuring charges Our restructuring charges consist primarily of personnel expenses, such as employee severance, benefits costs, and stock-based compensation, related to the reduction of our global workforce in the first quarter of 2023.
We expect to increase the percentage of our revenue derived from our Enterprise segment over time, which we expect will improve our gross margins. 58 Table of Contents Fiscal Year Ended December 31, 2022 2021 2020 (in thousands, except percentages) Consumer segment revenue $ 315,059 $ 328,703 $ 326,454 Consumer segment gross profit $ 165,805 $ 169,361 $ 160,650 Consumer segment gross margin 53 % 52 % 49 % Enterprise segment revenue $ 314,038 $ 186,954 $ 103,445 Enterprise segment gross profit $ 209,461 $ 122,970 $ 67,926 Enterprise segment gross margin 67 % 66 % 66 % For the fiscal year ended December 31, 2022, the increase in Consumer segment gross margin was primarily due to a decrease in content costs as a percentage of Consumer revenue and the timing of revenue recognition relative to content costs.
Fiscal Year Ended December 31, 2023 2022 2021 (in thousands, except percentages) Enterprise segment revenue $ 420,646 $ 314,038 $ 186,954 Enterprise segment gross profit $ 283,419 $ 209,461 $ 122,970 Enterprise segment gross margin 67 % 67 % 66 % Consumer segment revenue $ 308,291 $ 315,059 $ 328,703 Consumer segment gross profit $ 163,766 $ 165,805 $ 169,361 Consumer segment gross margin 53 % 53 % 52 % For the fiscal year ended December 31, 2023, Enterprise segment gross margin was generally consistent with the same period in the prior year, as the mix of Enterprise segment costs of revenue remained a consistent percentage of Enterprise revenue when compared to the same period in the prior year. 59 Table of Contents For the fiscal year ended December 31, 2023 Consumer segment gross margin was generally consistent with the same period in the prior year, as the mix of Consumer segment costs of revenue remained a consistent percentage of Consumer revenue when compared to the same period in the prior year.
Total other expense, net Fiscal Year Ended December 31, Change 2022 2021 $ % Other income (expense) (in thousands, except percentages) Interest income (expense), net $ 4,297 $ (16) $ 4,313 n/m Other expense, net (4,696) (920) (3,776) n/m Total other expense, net $ (399) $ (936) $ 537 (57) % n/m - not meaningful We recorded $0.4 million of total other expense, net for the fiscal year ended December 31, 2022, compared to $0.9 million for the same period in the prior year.
There were no restructuring activities in the same period in the prior year. 56 Table of Contents Total other income (expense), net Fiscal Year Ended December 31, Change 2023 2022 $ % Other income (expense) (in thousands, except percentages) Interest income $ 20,670 $ 5,548 $ 15,122 273 % Interest expense (518) (1,251) 733 (59) % Other income (expense), net (1,898) (4,696) 2,798 (60) % Total other income (expense), net $ 18,254 $ (399) $ 18,653 n/m n/m - not meaningful We recorded net total other income of $18.3 million for the fiscal year ended December 31, 2023, compared to net total other expense of $0.4 million for the same period in the prior year.
Our network of over 70,000 instructors have created over 200,000 courses in nearly 75 languages that cover a wide range of topics, including technology, business, soft skills, and personal development.
Our network of 75,000 instructors have created over 220,000 courses in 75 languages that cover a wide range of topics, including technology, business, soft skills, and personal development. Share repurchase On February 14, 2024, our Board of Directors approved a share repurchase program (the “Repurchase Program”) with authorization to purchase up to $100 million of Udemy common stock.
We believe that the number of UB customers and our ability to increase this number is an important indicator of the growth of our UB and future revenue trends. The increase in UB customers is primarily attributable to the continued pursuit of our global land and expand strategy, as well as growth of our enterprise sales force.
We define a UB customer as a customer who purchases Udemy via our direct sales force, reseller partnerships or through our self-service platform. We believe that the number of UB customers and our ability to increase this number is an important indicator of the growth of our UB and future revenue trends.
This often occurs where the domestic ultimate parent is a financial owner, government entity, or acquisition target where we have contracted directly with the subsidiary. We define a UB customer as a customer who purchases Udemy via our direct sales force, reseller partnerships or through our self-service platform.
In some cases, we deviate from this methodology, defining the contracted entity as a unique customer despite the existence of a domestic ultimate parent. This often occurs where the domestic ultimate parent is a financial owner, government entity, conglomerate, or acquisition target where we have contracted directly with the subsidiary.
We acquire a substantial portion of our learners via organic channels and also use paid marketing to further enhance the growth of our learner base. Our organic channels include those outside of our paid market efforts, such as a Udemy brand name internet search.
Ability to attract and engage new learners and Udemy Business customers To grow our business, we must attract new learners and UB customers efficiently and increase engagement on our platform over time. We acquire a substantial portion of our learners via organic channels and also use paid marketing to further enhance the growth of our learner base.
Although we view the breadth and diverse expertise of our instructor base and the content they create as one of our competitive advantages, a significant portion of the most popular content on our platform, and as a result a significant portion of our revenue, is attributable to a limited number of our instructors.
Furthermore, a significant portion of the most popular content on our platform, and as a result a significant portion of our revenue, is attributable to a limited number of our instructors. We experienced minimal turnover among top instructors during the fiscal year ended December 31, 2023.
December 31, 2022 2021 2020 Udemy Business net dollar retention rate 115 % 118 % 118 % Udemy Business Large Customer net dollar retention rate 123 % 124 % 121 % Segment revenue and segment gross profit Our revenue is generated from our Consumer and UB offerings, each of which is an individual segment of our business.
Fiscal Year Ended December 31, 2023 2022 2021 (in thousands) Monthly average buyers 1,378 1,336 1,345 Segment revenue and segment gross profit Our revenue is generated from our UB and Consumer offerings, each of which is an individual segment of our business.