The largest life insurance company in the United States is MetLife. MetLife is a multinational insurance corporation that offers a wide range of insurance products, including life insurance. It has a strong presence in the United States and is known for its financial stability and customer service. MetLife has been in operation for over 150 years and serves millions of customers worldwide. It is consistently ranked as one of the top life insurance companies in the United States based on its market share and financial strength. ****