TOP 25 Largest Insurance Companies in the World by Premiums – 2025

TOP 25 Largest Insurance Companies in Worldwide are lists of the insurers in the world, as measured by total net premiums written. The list is based on the report of the 25 largest insurance companies in the world by total premiums from AM Best. Beinsure Media has analysed and maked the infographics.

TOP 5 world’s insurance companies by net premiums written have demonstrated growth and resilience through diverse strategies and innovative approaches

UnitedHealth Group leads the pack with its integrated health services model, while Centene Corp and Elevance Health benefit from their strong presence in government-sponsored healthcare programs.

Kaiser Foundation Group continues to leverage its integrated care model, and Ping An Insurance capitalizes on its technological advancements and diversified business portfolio.

2025 World’s Largest Insurers

Insurers’ ability to adapt and innovate will be crucial for sustaining their growth and maintaining their leadership positions in the insurance industry

• 1 // UnitedHealth Group continues to dominate the insurance market with the highest net premiums written among its peers. The company’s impressive 13.7% growth (to $257 bn) can be attributed to its diversified portfolio of health insurance products and healthcare services. UnitedHealth Group’s integration of Optum’s healthcare services with its insurance operations has allowed it to create a comprehensive health management ecosystem, driving both efficiency and customer satisfaction. Investments in technology and data analytics have further enhanced its ability to deliver personalized healthcare solutions, contributing to its strong financial performance.
• 2 // Centene Corp has shown substantial growth with a 13.2% increase in net premiums written to $136 bn. The company’s focus on government-sponsored healthcare programs such as Medicaid, Medicare, and the Health Insurance Marketplace has been a key driver of its expansion. Centene’s strategy of acquiring and integrating smaller health plans has allowed it to broaden its geographic footprint and increase its market share. Additionally, Centene’s emphasis on addressing social determinants of health and providing holistic care has resonated well with policyholders, further boosting its premiums.
• 3 // Elevance Health, formerly known as Anthem, has achieved a notable 13.5% growth in net premiums written to $133 bn. The company’s broad range of health insurance products, including individual, group, and government-sponsored plans, has contributed to its strong market presence. Elevance Health has been proactive in expanding its digital health capabilities, enhancing its member experience through technology. Investments in artificial intelligence and data analytics have enabled the company to offer tailored health solutions, improving care management and operational efficiency.
• 4 // Kaiser Foundation Group of Health Plans has maintained its position with $109 bn in net premiums written, reflecting a modest growth of 1.9%. As a leading integrated healthcare provider, Kaiser Permanente’s model of combining health insurance with healthcare services has been a significant advantage. Despite the slower growth compared to its peers, Kaiser’s emphasis on preventive care and its efficient healthcare delivery system have ensured steady performance. The company continues to invest in expanding its medical facilities and enhancing patient care through technology.
• 5 // Ping An Insurance Group remains a leading player in the global insurance market with $108 bn in net premiums written and a 2.3% growth. Ping An’s success is driven by its diversified business model that encompasses life and health insurance, property and casualty insurance, and financial services. The company’s focus on technology and innovation, particularly in artificial intelligence and big data, has enabled it to streamline operations and enhance customer experience. Ping An’s “finance + technology” strategy has been instrumental in maintaining its competitive edge and driving growth.

Lagest insurance companies Raking by net premiums written (NPW), along with their respective countries and percentage changes.

TOP 25 Insurance Companies by Net Written Premiums

TOP 10 Biggest Insurance Companies in the World by Net Premiums

A bar chart displaying the top world’s 10 insurers by net premiums in billions of dollars. Each bar represents an insurer, with the length of the bar indicating the size of the net premiums they have written. This visualization helps in easily comparing the scale of these companies in terms of their net premiums.

Cumulative net premiums written in billions of dollars by country

A bar chart displaying the total net premiums by country, based on the data from the world’s top 25 insurers. This visualization shows the cumulative net premiums written in billions of dollars for each country represented by these insurers. It provides a clear view of which countries dominate in terms of net premiums in the insurance industry.

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Edited & Fact-checked by Oleg Parashchak – CEO Finance Media & Editor-in-Chief at Beinsure Media and Insurance TOP Ratings (24+ years of professional experience in Rankings, Insurance & Media) by AM Best Data.