UnitedHealth, the World's Largest Publicly Traded Health Insurance Company

It's undeniable that the insurance industry is a highly promising business. This is driven by the increasing public awareness of protection products.

Several of the world's largest insurance companies are evident from their market capitalization. According to data from companiesmarketcap.com, UnitedHealth is currently the insurance company with the largest market capitalization, reaching US$ 465.39 billion.

UnitedHealth is headquartered in Minnetoka, Minnesota, United States. The company also employs 330,000 people.

The Chinese insurance company, Ping An Insurance, holds the next position with a market capitalization of US$ 138.49 billion, followed by AIA at US$ 121.49 billion. Anthem and China Life Insurance then follow with market capitalizations of US$ 110.17 billion and US$ 105.4 billion, respectively.

Other insurance companies with large market capitalizations include Allianz at US$ 94.24 billion, Marsh & McLennan Companies at US$ 86.07 billion, Chubb at US$ 81.14 billion, Cigna at US$ 73.68 billion, and AXA at US$ 69.09 billion.

(Read More: Johnson & Johnson, the Pharmaceutical Company with the Largest Market Capitalization Currently)