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

Today, Little Caesars is the third-largest ... Pizza Hut is also famous for its pizza innovations, like stuffed crusts, the calzone-inspired P’Zone, and Dippin’ Strips, which are pizza pieces ...

Casey’s has about 2,600 locations, making them the sixth largest pizza chain in terms of the number of shops (behind Hunt Brothers, Domino’s, Pizza Hut, Little Caesars, and Papa Johns ...