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Side-by-side financial comparison of Aflac (AFL) and Southern Company (SO). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($7.0B vs $4.9B, roughly 1.4× Aflac). Aflac runs the higher net margin — 28.3% vs 4.9%, a 23.5% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (10.1% vs -10.0%). Over the past eight quarters, Southern Company's revenue compounded faster (2.5% CAGR vs -5.4%).

Aflac Incorporated is an American insurance company and is the largest provider of supplemental insurance in the United States. It was founded in 1955 and is based in Columbus, Georgia. In the U.S., it underwrites a wide range of insurance policies, but is perhaps more known for its payroll deduction insurance coverage, which pays cash benefits when a policyholder has a covered accident or illness. The company states it "provides financial protection to more than 50 million people worldwide".

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

AFL vs SO — Head-to-Head

Bigger by revenue
SO
SO
1.4× larger
SO
$7.0B
$4.9B
AFL
Growing faster (revenue YoY)
SO
SO
+20.1% gap
SO
10.1%
-10.0%
AFL
Higher net margin
AFL
AFL
23.5% more per $
AFL
28.3%
4.9%
SO
Faster 2-yr revenue CAGR
SO
SO
Annualised
SO
2.5%
-5.4%
AFL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AFL
AFL
SO
SO
Revenue
$4.9B
$7.0B
Net Profit
$1.4B
$341.0M
Gross Margin
Operating Margin
32.3%
13.1%
Net Margin
28.3%
4.9%
Revenue YoY
-10.0%
10.1%
Net Profit YoY
-27.5%
-26.8%
EPS (diluted)
$2.58
$0.38

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AFL
AFL
SO
SO
Q4 25
$4.9B
$7.0B
Q3 25
$4.7B
$7.8B
Q2 25
$4.2B
$7.0B
Q1 25
$3.4B
$7.8B
Q4 24
$5.4B
$6.3B
Q3 24
$2.9B
$7.3B
Q2 24
$5.1B
$6.5B
Q1 24
$5.4B
$6.6B
Net Profit
AFL
AFL
SO
SO
Q4 25
$1.4B
$341.0M
Q3 25
$1.6B
$1.7B
Q2 25
$599.0M
$880.0M
Q1 25
$29.0M
$1.3B
Q4 24
$1.9B
$466.0M
Q3 24
$-93.0M
$1.5B
Q2 24
$1.8B
$1.2B
Q1 24
$1.9B
$1.1B
Operating Margin
AFL
AFL
SO
SO
Q4 25
32.3%
13.1%
Q3 25
42.1%
33.2%
Q2 25
19.8%
25.3%
Q1 25
4.3%
25.9%
Q4 24
39.5%
16.7%
Q3 24
3.1%
32.6%
Q2 24
39.3%
30.0%
Q1 24
39.9%
25.6%
Net Margin
AFL
AFL
SO
SO
Q4 25
28.3%
4.9%
Q3 25
34.6%
21.9%
Q2 25
14.4%
12.6%
Q1 25
0.9%
16.3%
Q4 24
35.2%
7.3%
Q3 24
-3.2%
21.1%
Q2 24
34.2%
18.6%
Q1 24
34.6%
16.1%
EPS (diluted)
AFL
AFL
SO
SO
Q4 25
$2.58
$0.38
Q3 25
$3.08
$1.54
Q2 25
$1.11
$0.79
Q1 25
$0.05
$1.21
Q4 24
$3.45
$0.48
Q3 24
$-0.17
$1.39
Q2 24
$3.10
$1.09
Q1 24
$3.25
$1.03

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AFL
AFL
SO
SO
Cash + ST InvestmentsLiquidity on hand
$6.2B
$1.6B
Total DebtLower is stronger
$65.6B
Stockholders' EquityBook value
$29.5B
$36.0B
Total Assets
$116.5B
$155.7B
Debt / EquityLower = less leverage
1.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AFL
AFL
SO
SO
Q4 25
$6.2B
$1.6B
Q3 25
$6.8B
$3.3B
Q2 25
$7.0B
$1.3B
Q1 25
$5.2B
$2.3B
Q4 24
$6.2B
$1.1B
Q3 24
$5.6B
$1.0B
Q2 24
$6.1B
$1.2B
Q1 24
$5.1B
$713.0M
Total Debt
AFL
AFL
SO
SO
Q4 25
$65.6B
Q3 25
$64.6B
Q2 25
$63.0B
Q1 25
$62.9B
Q4 24
$58.8B
Q3 24
$61.3B
Q2 24
$59.9B
Q1 24
$59.4B
Stockholders' Equity
AFL
AFL
SO
SO
Q4 25
$29.5B
$36.0B
Q3 25
$28.7B
$38.3B
Q2 25
$27.2B
$37.3B
Q1 25
$26.3B
$37.2B
Q4 24
$26.1B
$33.2B
Q3 24
$24.8B
$36.9B
Q2 24
$26.0B
$36.1B
Q1 24
$23.5B
$35.6B
Total Assets
AFL
AFL
SO
SO
Q4 25
$116.5B
$155.7B
Q3 25
$122.3B
$153.2B
Q2 25
$124.7B
$148.9B
Q1 25
$120.3B
$148.1B
Q4 24
$117.6B
$145.2B
Q3 24
$128.4B
$144.0B
Q2 24
$120.2B
$141.9B
Q1 24
$124.7B
$140.1B
Debt / Equity
AFL
AFL
SO
SO
Q4 25
1.82×
Q3 25
1.69×
Q2 25
1.69×
Q1 25
1.69×
Q4 24
1.77×
Q3 24
1.66×
Q2 24
1.66×
Q1 24
1.67×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AFL
AFL
SO
SO
Operating Cash FlowLast quarter
$315.0M
$2.6B
Free Cash FlowOCF − Capex
$-1.7B
FCF MarginFCF / Revenue
-24.2%
Capex IntensityCapex / Revenue
61.4%
Cash ConversionOCF / Net Profit
0.23×
7.62×
TTM Free Cash FlowTrailing 4 quarters
$-2.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AFL
AFL
SO
SO
Q4 25
$315.0M
$2.6B
Q3 25
$1.3B
$3.8B
Q2 25
$399.0M
$2.2B
Q1 25
$589.0M
$1.3B
Q4 24
$333.0M
$2.2B
Q3 24
$1.3B
$3.6B
Q2 24
$255.0M
$2.7B
Q1 24
$849.0M
$1.3B
Free Cash Flow
AFL
AFL
SO
SO
Q4 25
$-1.7B
Q3 25
$559.0M
Q2 25
$-619.0M
Q1 25
$-1.2B
Q4 24
$-576.0M
Q3 24
$1.3B
Q2 24
$563.0M
Q1 24
$-459.0M
FCF Margin
AFL
AFL
SO
SO
Q4 25
-24.2%
Q3 25
7.1%
Q2 25
-8.9%
Q1 25
-15.3%
Q4 24
-9.1%
Q3 24
17.9%
Q2 24
8.7%
Q1 24
-6.9%
Capex Intensity
AFL
AFL
SO
SO
Q4 25
61.4%
Q3 25
41.1%
Q2 25
40.2%
Q1 25
31.3%
Q4 24
43.4%
Q3 24
31.8%
Q2 24
32.9%
Q1 24
26.6%
Cash Conversion
AFL
AFL
SO
SO
Q4 25
0.23×
7.62×
Q3 25
0.76×
2.21×
Q2 25
0.67×
2.48×
Q1 25
20.31×
0.98×
Q4 24
0.18×
4.66×
Q3 24
2.36×
Q2 24
0.15×
2.23×
Q1 24
0.45×
1.22×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AFL
AFL

Aflac Japan$2.3B47%
Aflac US$1.7B35%
Other$862.0M18%

SO
SO

Other$3.9B57%
Retail Electric Commercial$1.6B23%
Natural Gas Distribution Residential$689.0M10%
Natural Gas Distribution Transportation$371.0M5%
Wholesale Non Affiliates$123.0M2%
Natural Gas Distribution Other$76.0M1%
Wholesale Electric Non PPA Revenues$62.0M1%
Wholesale Affiliates$55.0M1%
Retail Electric Other$31.0M0%
Alternative Energy$20.0M0%
Natural Gas Distribution Industrial$15.0M0%

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