Mutual insurance is a type of insurance where those protected by the insurance (policyholders) also own the organization. Historically most insurance companies began with the mutual (or cooperative) structure, but many have gone through demutualization and become public companies.

List of mutual insurance companies

Japan

• Asahi Mutual Life Insurance Company
• The Dai-ichi Mutual Life Insurance Company
• Fukoku Mutual Life Insurance Company
• Meiji Yasuda Life Insurance Company
• Nippon Life Insurance Company
• Sumitomo Life Insurance Company

United States

• American Family Insurance
• Boston Mutual
• CUNA Mutual Life Insurance Company
• Guardian Life
• Illinois Mutual
• Liberty Mutual
• Massachusetts Mutual Life Insurance Company
• Mutual of America
• Mutual of Omaha
• Nationwide Mutual Insurance Company
• New York Life
• North Carolna Mutual
• Northwestern Mutual Life
• Penn Mutual Life
• Physicians Mutual
• SBLI USA Mutual Life
• Security Mutual of NY
• State Farm Insurance

List of demutualized insurance companies

Japan

• Daido Life Insurance Company
• The Kyoei Fire & Marine Insurance Co,. Ltd.
• Mitsui Life Insurance Co,. Ltd.
• Taiyo Life Insurance Company
• Yamato Life Insurance Company

South Africa

• Old Mutual

United States

• John Hancock Mutual Life
• Metropolitan Life Insurance Company
• MONY
• Principal Financial Group
• Prudential Insurance

List of defunct mutual insurance companies

Japan

• Chiyoda Mutual Life Insurance Company
• Daihyaku Life Insurance Company
• Daiichi Mutual Fire & Marine Insurance Company
• Nissan Mutual Life Insurance Company
• Toho Mutual Life Insurance company
• Tokyo Mutual Life Insurance Company

Insurance | Cooperatives | Mutual insurance companies | 相互会社