Ready to start a business? A new study says St. Louis is a good place to start.

According to WalletHub, more than 15 million people in the U.S., or about 10 percent of the labor force, work for themselves.

WalletHub used 18 key metrics ranging from five-year business survival rate to office-space affordability to rank the 150 most populated U.S. cities.

St. Louis came in number 7 on the list and Springfield took the number 11 spot.

Oklahoma City tops the list.

Source: WalletHub