These are the most popular restaurant chains, broken down by generation—baby boomers, Gen Xers, and millennials.

Jimmy John's was founded in 1983 in Charleston, Illinois, by Jimmy John Liautaud. It originally served just four sandwiches ... With over 400 locations, it remains family-owned and has resisted ...

Jimmy John's was founded in 1983 in Charleston, Illinois, by Jimmy John Liautaud. It originally served ... With over 400 locations, it remains family-owned and has resisted franchising to maintain ...