
In 2020, the accident and health insurance industry’s direct written premiums reached $1.25 trillion, up by almost 84% from $680 billion in 2011. The largest 10 insurers collectively wrote 55.3% of the total US market, according to the National Association of Insurance Commissioners (NAIC).
Top 10 U.S. health insurance companies
- UnitedHealth
- Kaiser Foundation
- Anthem, Inc.
- Centene Corp
- Humana
- CVS
- HCSC
- Cigna Health
- Molina Healthcare, Inc.
- Independence Health Group
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1. UnitedHealth
Direct Written Premiums: $176.7 billion
Market Share: 14.1%
2. Kaiser Foundation
Direct Written Premiums: $104.2 billion
Market Share: 8.3%
3. Anthem, Inc.
Direct Written Premiums: $76.9 billion
Market Share: 6.2%
4. Centene Corp
Direct Written Premiums: $75 billion
Market Share: 6%
5. Humana
Direct Written Premiums: $73.9 billion
Market Share: 5.9%
6. CVS
Direct Written Premiums: $69 billion
Market Share: 5.5%
7. HCSC
Direct Written Premiums: $42 billion
Market Share: 3.4%
8. Cigna Health
Direct Written Premiums: $31.8 billion
Market Share: 2.5%
9. Molina Healthcare, Inc.
Direct Written Premiums: $21.4 billion
Market Share: 1.7%
10. Independence Health Group
Direct Written Premiums: $20.1 billion
Market Share: 1.6%
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