Top 10: Health Insurance Companies

The global health insurance market is valued at more than US$3tn and is projected to reach US$4.4tn by 2033.

The industry is facing a period of rapid growth due to a combination of rising medical costs, an ageing population and an increase in chronic lifestyle-related diseases.

It is witnessing a shift towards digital platforms and telemedicine services, which reflects the industry's adaptation to changing consumer preferences and technological advancements.

Healthcare Digital takes a look at the top 10 health insurance companies in the world, ranked by market capitalisation.

10. Zurich Insurance Group

Market cap: US$75bn
CEO: Mario Greco
HQ: Zürich, Switzerland

Zurich Insurance Group offers health insurance through its Accident & Health division, specialising in comprehensive corporate employee benefits and multinational solutions.

It serves corporate workforces globally, focusing on structured, modular plans that include supplemental health benefits, travel protection and critical illness coverage.

It combines specialised risk management with a robust global network, ensuring seamless cross-border support and digital claims handling.

9. The Cigna Group

Market cap: US$76bn
CEO: Brian Evanko
HQ: Connecticut, US

The Cigna Group delivers comprehensive medical coverage primarily through its Cigna Healthcare division.

It prioritises employer-sponsored commercial plans and international health for mobile populations.

It will focus exclusively on commercial markets, divest its Medicare business and plan to exit individual ACA exchanges.

8. Elevance Health

Market cap: US$90bn
CEO: Gail Boudreaux
HQ: Indiana, US

Elevance Health is one of the largest managed care providers in the US, supporting more than 45 million medical members.

It offers commercial, Medicare and Medicaid coverage, integrating pharmacy benefits, behavioural health and digital tools.

It works to improve affordability and streamline consumer care experiences.

7. AXA Group

Market cap: US$98bn
CEO: Thomas Buberl
HQ: Paris, France

AXA Group offers flexible, modular plans that cater to individuals, businesses and expatriates globally.

Through its AXA Health and Global Healthcare divisions, it prioritises speed and convenience, featuring virtual doctor consultations, direct-access pathways for mental health and comprehensive cancer care.

It integrates digital tools with an extensive global medical network, ensuring seamless and cashless hospital discharges and personalised support.

6. AIA Group

Market cap: US$114bn
CEO: Lee Yuan Siong
HQ: Wan Chai, Hong Kong

AIA Group is Asia's largest independent publicly listed life and health insurance provider, operating across 18 regional markets.

Its purpose is to help people live Healthier, Longer, Better Lives.

It operates a wellness programme, AIA Vitality, which uses behavioural science to reward members for healthy lifestyle habits.

5. CVS Health

Market cap: US$124bn
CEO: David Joyner
HQ: Rhode Island, US

CVS Health delivers health insurance through Aetna, integrating medical coverage with its retail pharmacy and care networks.

It serves more than 26 million members, providing simplified care across commercial plans and government programmes.

The insurer prioritises value-based care models, preventive medicine and direct consumer savings through integrated pharmacy benefits.

4. China Life Insurance

Market cap: US$151bn
CEO: Xiliang Cai
HQ: Beijing, China

China Life Insurance operates its health insurance segment globally. 

It serves as a core pillar of the country's social security framework, offering critical illness, disease management and supplemental medical coverage.

It offers broad group plans and specialised individual options, focusing heavily on long-term welfare.

3. Ping An Insurance

Market cap: US$157bn
CEO: Michael Guo & Xie Yonglin
HQ: Shenzhen, China

Ping An Insurance integrates health insurance with an advanced digital tech ecosystem.

It connects millions of users in China to end-to-end medical care.

At its core is Ping An Health, which is an online platform offering 24/7 AI-driven telemedicine, home senior care and localised clinical networks, combining financial coverage with real-time healthcare delivery.

2. Allianz

Market cap: US$169bn
CEO: Oliver Bäte
HQ: Munich, Germany

Allianz has an extensive medical network that spans more than 170 countries.

Through its specialised Allianz Care division, the company provides flexible international health insurance plans tailored for expatriates, multinational organisations and local families.

It offers 24/7 multilingual support, digital claims processing and holistic coverage including inpatient, outpatient and mental wellbeing.

1. UnitedHealth Group

Market cap: US$375bn
CEO: Stephen J. Hemsley
HQ: Minnesota, US

UnitedHealth Group insures more than 50 million people in the US, making it the country's largest health insurer.

It offers short-term plans that offer limited coverage, as well as ACA plans which give comprehensive coverage for a full calendar year.

In the US, its plans cover a percentage of doctors' visits and hospital bills, helping to offset the costs of medical events for its customers.