vs

Side-by-side financial comparison of Aon plc (AON) and REINSURANCE GROUP OF AMERICA INC (RGA). Click either name above to swap in a different company.

REINSURANCE GROUP OF AMERICA INC is the larger business by last-quarter revenue ($6.6B vs $5.0B, roughly 1.3× Aon plc). Aon plc runs the higher net margin — 24.6% vs 7.0%, a 17.6% gap on every dollar of revenue. On growth, REINSURANCE GROUP OF AMERICA INC posted the faster year-over-year revenue change (26.6% vs 6.0%). Over the past eight quarters, Aon plc's revenue compounded faster (15.7% CAGR vs 2.3%).

Aon plc is a British-American professional services firm. The company operates two divisions: Risk Capital, which provides brokerage and consulting services for risk management and insurance and reinsurance, and Human Capital, which provides services for health insurance, retirement plans, pension plans, and talent advisory.

Reinsurance Group of America, Incorporated is a holding company for a global life and health reinsurance entity based in Greater St. Louis within the western suburb of Chesterfield, Missouri, United States. With approximately $3.9 trillion of life reinsurance in force and assets of $118.7 billion as of December 31, 2024, RGA has grown to become the only international company to focus primarily on life and health-related reinsurance.

AON vs RGA — Head-to-Head

Bigger by revenue
RGA
RGA
1.3× larger
RGA
$6.6B
$5.0B
AON
Growing faster (revenue YoY)
RGA
RGA
+20.6% gap
RGA
26.6%
6.0%
AON
Higher net margin
AON
AON
17.6% more per $
AON
24.6%
7.0%
RGA
Faster 2-yr revenue CAGR
AON
AON
Annualised
AON
15.7%
2.3%
RGA

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AON
AON
RGA
RGA
Revenue
$5.0B
$6.6B
Net Profit
$1.2B
$463.0M
Gross Margin
Operating Margin
34.1%
7.7%
Net Margin
24.6%
7.0%
Revenue YoY
6.0%
26.6%
Net Profit YoY
25.6%
212.8%
EPS (diluted)
$5.63
$6.91

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
AON
AON
RGA
RGA
Q1 26
$5.0B
Q4 25
$4.3B
$6.6B
Q3 25
$4.0B
$6.2B
Q2 25
$4.2B
$5.6B
Q1 25
$4.7B
$5.3B
Q4 24
$4.1B
$5.2B
Q3 24
$3.7B
$5.7B
Q2 24
$3.8B
$4.9B
Net Profit
AON
AON
RGA
RGA
Q1 26
$1.2B
Q4 25
$1.7B
$463.0M
Q3 25
$458.0M
$253.0M
Q2 25
$579.0M
$180.0M
Q1 25
$965.0M
$286.0M
Q4 24
$716.0M
$148.0M
Q3 24
$343.0M
$156.0M
Q2 24
$524.0M
$203.0M
Operating Margin
AON
AON
RGA
RGA
Q1 26
34.1%
Q4 25
28.1%
7.7%
Q3 25
20.4%
5.2%
Q2 25
20.7%
6.1%
Q1 25
30.9%
7.0%
Q4 24
26.3%
4.3%
Q3 24
16.7%
3.8%
Q2 24
17.4%
5.5%
Net Margin
AON
AON
RGA
RGA
Q1 26
24.6%
Q4 25
39.4%
7.0%
Q3 25
11.5%
4.1%
Q2 25
13.9%
3.2%
Q1 25
20.4%
5.4%
Q4 24
17.3%
2.8%
Q3 24
9.2%
2.8%
Q2 24
13.9%
4.2%
EPS (diluted)
AON
AON
RGA
RGA
Q1 26
$5.63
Q4 25
$7.82
$6.91
Q3 25
$2.11
$3.81
Q2 25
$2.66
$2.70
Q1 25
$4.43
$4.27
Q4 24
$3.11
$2.21
Q3 24
$1.57
$2.33
Q2 24
$2.46
$3.03

Balance Sheet & Financial Strength

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

Metric
AON
AON
RGA
RGA
Cash + ST InvestmentsLiquidity on hand
$1.4M
$4.2B
Total DebtLower is stronger
$13.5M
$5.7B
Stockholders' EquityBook value
$10.0M
$13.5B
Total Assets
$51.4M
$156.6B
Debt / EquityLower = less leverage
1.36×
0.42×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AON
AON
RGA
RGA
Q1 26
$1.4M
Q4 25
$2.8B
$4.2B
Q3 25
$1.3B
$4.6B
Q2 25
$1.4B
$5.4B
Q1 25
$1.3B
$5.2B
Q4 24
$1.3B
$3.3B
Q3 24
$1.3B
$5.2B
Q2 24
$1.2B
$4.6B
Total Debt
AON
AON
RGA
RGA
Q1 26
$13.5M
Q4 25
$15.2B
$5.7B
Q3 25
$5.7B
Q2 25
$5.7B
Q1 25
$5.7B
Q4 24
$17.0B
$5.0B
Q3 24
$5.1B
Q2 24
$5.1B
Stockholders' Equity
AON
AON
RGA
RGA
Q1 26
$10.0M
Q4 25
$9.4B
$13.5B
Q3 25
$7.9B
$13.0B
Q2 25
$7.8B
$12.1B
Q1 25
$7.0B
$11.4B
Q4 24
$6.1B
$10.8B
Q3 24
$6.2B
$11.1B
Q2 24
$5.9B
$9.7B
Total Assets
AON
AON
RGA
RGA
Q1 26
$51.4M
Q4 25
$50.8B
$156.6B
Q3 25
$51.6B
$152.0B
Q2 25
$54.0B
$133.5B
Q1 25
$50.3B
$128.2B
Q4 24
$49.0B
$118.7B
Q3 24
$49.9B
$120.3B
Q2 24
$51.5B
$109.9B
Debt / Equity
AON
AON
RGA
RGA
Q1 26
1.36×
Q4 25
1.63×
0.42×
Q3 25
0.44×
Q2 25
0.48×
Q1 25
0.50×
Q4 24
2.78×
0.47×
Q3 24
0.46×
Q2 24
0.52×

Cash Flow & Capital Efficiency

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

Metric
AON
AON
RGA
RGA
Operating Cash FlowLast quarter
$7.3B
Free Cash FlowOCF − Capex
$363.0M
FCF MarginFCF / Revenue
7.2%
Capex IntensityCapex / Revenue
1.3%
Cash ConversionOCF / Net Profit
15.83×
TTM Free Cash FlowTrailing 4 quarters
$3.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AON
AON
RGA
RGA
Q1 26
Q4 25
$1.4B
$7.3B
Q3 25
$1.1B
$-990.0M
Q2 25
$796.0M
$-820.0M
Q1 25
$140.0M
$-1.4B
Q4 24
$1.2B
$17.1B
Q3 24
$1.0B
$-1.1B
Q2 24
$513.0M
$-967.0M
Free Cash Flow
AON
AON
RGA
RGA
Q1 26
$363.0M
Q4 25
$1.3B
Q3 25
$1.1B
Q2 25
$732.0M
Q1 25
$84.0M
Q4 24
$1.1B
Q3 24
$951.0M
Q2 24
$460.0M
FCF Margin
AON
AON
RGA
RGA
Q1 26
7.2%
Q4 25
30.8%
Q3 25
27.0%
Q2 25
17.6%
Q1 25
1.8%
Q4 24
27.6%
Q3 24
25.6%
Q2 24
12.2%
Capex Intensity
AON
AON
RGA
RGA
Q1 26
1.3%
Q4 25
1.7%
Q3 25
1.7%
Q2 25
1.5%
Q1 25
1.2%
Q4 24
1.3%
Q3 24
1.7%
Q2 24
1.4%
Cash Conversion
AON
AON
RGA
RGA
Q1 26
Q4 25
0.83×
15.83×
Q3 25
2.51×
-3.91×
Q2 25
1.37×
-4.56×
Q1 25
0.15×
-5.00×
Q4 24
1.68×
115.81×
Q3 24
2.95×
-6.84×
Q2 24
0.98×
-4.76×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AON
AON

Commercial Risk Solutions$2.2B44%
Reinsurance Solutions$1.3B25%
Health Solutions$1.1B22%
Wealth Solutions$420.0M8%

RGA
RGA

Segment breakdown not available.

Related Comparisons