| Statistic Verification |
| Source: SEC Filings for Aetna, Cigna, HealthNet, UnitedHealth, WellPoint-Blue Cross, Wall Street Journal |
| Date Verified: 10.26.2012 |
| Largest U.S. Health Insurance Companies | Total Number of Members |
| United Health Group | 70,000,000 |
| WellPoint | 33,300,000 |
| Aetna | 18,000,000 |
| CIGNA | 11,400,000 |
| Humana | 10,200,000 |
| Kaiser | 8,900,000 |
| Health Net | 6,600,000 |
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