List of largest insurance companies
These are lists of the insurance companies in the world, as measured by total non-banking assets and by net premiums written.
By assets
The list is based on the 2025 report of the 25 largest insurance companies in the world by 2024 assets from AM Best.| Rank | Company | Country | Total assets |
| 1 | Allianz | 1,085.2 | |
| 2 | Berkshire Hathaway | 1,069.9 | |
| 3 | China Life Insurance | 957.8 | |
| 4 | Ping An Insurance | 848.1 | |
| 5 | Prudential Financial | 721.1 | |
| 6 | Axa | 711.3 | |
| 7 | MetLife | 687.5 | |
| 8 | Legal & General | 664.7 | |
| 9 | Manulife Financial | 660.9 | |
| 10 | Nippon Life | 645.1 | |
| 11 | Assicurazioni Generali | 663.9 | |
| 12 | American International Group | 596.1 | |
| 13 | Life Insurance Corporation | 560.3 | |
| 14 | Japan Post Insurance | 551.0 | |
| 15 | CNP Assurances | 547.0 | |
| 16 | Dai-ichi Life | 540.4 | |
| 17 | Aegon N.V. | 531.0 | |
| 18 | Credit Agricole Assurances | 502.7 | |
| 19 | Great-West Lifeco | 493.4 | |
| 20 | Aviva | 483.6 | |
| 21 | JA Kyosai | 481.7 | |
| 22 | Zurich Insurance Group | 435.8 | |
| 23 | New York Life Insurance Company | 428.6 | |
| 24 | Meiji Yasuda Life | 395.4 | |
| 25 | Lincoln Natl Corp | 387.3 |
By net premiums written
The list is based on the 2023 report of the 25 largest insurance companies in the world by 2021 net premiums written from AM Best.| Rank | Company | Country | Net premiums written |
| 1 | UnitedHealth Group | 226.2 | |
| 2 | Centene Corporation | 120.3 | |
| 3 | Elevance Health | 117.4 | |
| 4 | China Life Insurance | 115.1 | |
| 5 | Ping An Insurance | 114.7 | |
| 6 | Kaiser Permanente | 106.4 | |
| 7 | Axa | 95.7 | |
| 8 | Allianz | 88.9 | |
| 9 | People's Insurance Company of China | 84.5 | |
| 10 | Assicurazioni Generali | 80.3 | |
| 11 | Humana | 79.8 | |
| 12 | Berkshire Hathaway | 71.6 | |
| 13 | State Farm | 71.1 | |
| 14 | Munich Re | 64.7 | |
| 15 | CVS Health | 62.2 | |
| 16 | Life Insurance Corporation | 56.6 | |
| 17 | China Pacific Insurance Company | 53.7 | |
| 18 | Health Care Service Corporation | 46.7 | |
| 19 | Progressive Corporation | 46.4 | |
| 20 | The Allstate Corp | 45.8 | |
| 21 | Zurich Ins Group Ltd |  SwitzerlandGERUSAJPNJPN |