Right answer is: Berkshire Hathaway was the most profitable property and casualty (stock) insurance company in the world in 2020, with revenues amounting to 245.5 billion U.S. dollars. People's Insurance Company of China and Munich Re followed behind with 84.3 billion U.S. dollars and 74.1 billion U.S. dollars, respectively.
The title of my answer can be • Leading global P/C stock insurers by revenue | Statista