The largest private passenger auto insurers in the U.S. gained market share in 2015. Growth continues long term trend.
Since 2000, the largest private passenger automobile insurers have been growing their combined market share and more than half of all private passenger auto insurance in the United States is handled by just five companies. The top 25 companies account for more than $4 out of every $5 in auto insurance premiums for the entire market, almost 85 percent overall.
According to the final 2015 market share report from the National Association of Insurance Commissioners (NAIC) the top five private passenger