As of 2025, the global health insurance landscape is dominated by several key players who have demonstrated exceptional growth, extensive coverage, and innovative healthcare solutions. Below is an overview of the top 10 health insurance companies worldwide:
UnitedHealth Group Incorporated
UnitedHealth Group, based in the United States, continues to lead the global health insurance market. In 2023, the company reported net premiums written (NPW) of $290.83 billion, marking a 13.1% increase from the previous year. This growth is attributed to its diversified health services and robust technology-driven solutions that enhance patient care and operational efficiency.
Centene Corporation
Centene Corporation, also headquartered in the U.S., holds the second position with NPW totaling $149.54 billion in 2023, reflecting a 9.8% rise. Centene specializes in government-sponsored healthcare programs, including Medicaid and Medicare, and has expanded its marketplace offerings to cater to a broader demographic.
Elevance Health Inc.
Formerly known as Anthem, Elevance Health reported $142.85 billion in NPW for 2023, a 7.2% increase from the prior year. The company’s focus on personalized healthcare and digital transformation has strengthened its market position, enabling more efficient and accessible services to its members.
Kaiser Foundation Group of Health Plans
Kaiser Permanente, operating under the Kaiser Foundation, maintains its prominence with a unique integrated healthcare model. This approach combines insurance services with owned hospitals and medical facilities, ensuring coordinated and comprehensive care. In 2023, Kaiser reported substantial NPW, underscoring its effective healthcare delivery system.
China Life Insurance (Group) Company
As China’s largest state-owned insurance and financial services company, China Life Insurance Group reported NPW of $107.86 billion in 2023, a 4.7% increase. The company’s extensive portfolio includes life and health insurance products, catering to a vast population and contributing significantly to China’s social security system.
Humana Inc.
Humana, a U.S.-based health insurer, experienced a 15.5% growth in NPW, reaching $100.52 billion in 2023. The company’s emphasis on Medicare Advantage plans and integrated care delivery has bolstered its market share, particularly among the senior population seeking comprehensive health coverage.
State Farm Group
Primarily known for property and casualty insurance, State Farm Group has made significant strides in the health insurance sector. In 2023, the company reported a 19.1% increase in NPW, reflecting its diversified insurance offerings and strong customer base.
Allianz SE
Germany-based Allianz SE remains a formidable player in the global insurance industry. Despite a 5.1% decrease in NPW in 2023, the company maintains a strong presence in health insurance markets across Europe and other regions, offering a wide range of products and services.
Berkshire Hathaway Inc.
Under the leadership of Warren Buffett, Berkshire Hathaway has diversified its insurance portfolio to include health insurance products. The company saw an 11.7% increase in NPW in 2023, attributed to its strategic acquisitions and investments in the insurance sector.
AXA S.A.
French multinational insurance firm AXA S.A. reported a 19.5% decline in NPW in 2023. Despite this, AXA continues to be a key player in the global health insurance market, offering comprehensive health plans and services across various countries, with a focus on innovation and customer-centric solutions.
These companies have demonstrated resilience and adaptability in the ever-evolving health insurance landscape, leveraging technology and customer-focused strategies to maintain their leading positions globally.