TOP TEN HEALTH INSURANCE GROUPS BY DIRECT PREMIUMS WRITTEN, 2008 (1)

($ billions)

Rank Group Direct premiums written Market share
1 United Health Group $71.7 11.76%
2 WellPoint Inc. Group 54.5 8.94
3 Kaiser Foundation Group 46.3 7.60
4 Aetna Group 25.5 4.18
5 Humana Group 25.0 4.10
6 HCSC Group 16.8 2.77
7 American Family Corp. Group 13.4 2.19
8 Highmark Group 12.3 2.02
9 Coventry Corp. Group 11.1 1.82
10 Independence Blue Cross Group 10.0 1.64

(1) Includes data from the property/casualty, life/health, fraternal and health annual statements.    
   
Source: National Association of Insurance Commissioners (NAIC). Reprinted with permission. Further reprint or redistribution strictly prohibited without written permission of NAIC.