The top insurance companies globally and within the United States are typically ranked by total net premiums written, market capitalization, and asset size, featuring industry titans such as Berkshire Hathaway (GEICO), UnitedHealth Group, State Farm, Progressive, and Prudential Financial. Globally, European and Asian giants like Allianz, AXA, China Life Insurance, and Ping An also dominate the elite tiers of the insurance sector. These corporate giants command hundreds of billions of dollars in assets, servicing millions of retail and commercial clients worldwide with diverse portfolios spanning property, casualty, life, health, and reinsurance products.