

Aflac vs MetLife
Aflac dominates the supplemental health and life insurance market in Japan and the U.S. with a brand so recognizable the duck does the selling, while MetLife operates a global insurance giant spanning group benefits, individual protection, and retirement products across dozens of countries. Both companies are disciplined capital returners with long track records of navigating interest rate cycles and managing actuarial risk. The Aflac vs MetLife comparison reveals how each positions its product mix for a changing demographic landscape, sustains margins in low-rate environments, and returns excess capital to shareholders.
Aflac dominates the supplemental health and life insurance market in Japan and the U.S. with a brand so recognizable the duck does the selling, while MetLife operates a global insurance giant spanning...
Investment Analysis

Aflac
AFL
Pros
- Aflac delivered a strong Q3 2025 with EPS surpassing forecasts by over 40%, improving year-over-year by 15.3%.
- The company maintains strong capital ratios and liquidity, supporting financial stability and operational flexibility.
- Aflac benefits from diversified revenue streams across U.S. and Japan markets, with strategic initiatives including new product launches and technology upgrades.
Considerations
- The Japan segment experienced a 4% decline in net earned premiums, indicating challenges in its key international market.
- Aflac’s valuation metrics such as price-to-earnings and price-to-sales ratios are higher than MetLife, suggesting the stock might be relatively expensive.
- Investment gains in Q3 included volatile components such as derivatives and foreign currency, potentially adding earnings volatility.

MetLife
MET
Pros
- MetLife shows stronger valuation and enterprise metrics overall, including lower P/E and forward P/E ratios relative to Aflac.
- The company has a lower price-to-sales ratio, suggesting a potentially more attractive valuation on sales metrics than Aflac.
- MetLife operates with broader revenue diversification which gives it a competitive advantage across multiple insurance product lines.
Considerations
- MetLife has exhibited higher stock price volatility compared to Aflac, reflecting potentially increased market risk.
- Despite its size, MetLife’s maximum drawdown history is similar to Aflac’s, indicating comparable downside risk during market stress.
- The lower book value per share compared to Aflac could imply less equity buffer against risks or slower growth in book value.
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