Magazine date:
Jan 2022 
In 2020, the top ten reinsurers account for 68.5% of the global life and non-life reinsurance premium, that is, 220.235 billion USD.
The top five, namely Munich Re, Swiss Re, Hannover Re, Scor and Berkshire Hathaway, account for nearly 50% of the total premium income (152.147 billion USD).
Another significant figure is that the top 20 reinsurers account for 84.9% of all underwritings.
Market shares of the top 5 and 10 reinsurers in 2020
In billions USD| Life premiums | Shares in % | Non-life premiums | Shares in % | Total premiums | Shares in % | |
|---|---|---|---|---|---|---|
Top 5 reinsurers | 57.702 | 53.84% | 94.445 | 44.06% | 152.147 | 47.32% |
Top 10 reinsurers | 97.929 | 91.37% | 136.464 | 63.67% | 220.235 | 68.5% |
Rest of the market | 9.247 | 8.63% | 77.879 | 36.33% | 101.284 | 31.5% |
World total | 107.176 | 100% | 214.343 | 100% | 321.519 | 100% |
Evolution of the reinsurers’ market shares: 1980-2020
The reinsurance market [4] is becoming increasingly concentrated. In 40 years, that is, from 1980 to 2020, the share of the first five reinsurers had gone from 17% to 47% and that of the first ten players from 22% to 68%.
Read also | Insurance–Reinsurance: mergers and acquisitions [5]