The most expensive menu changes, the study says, were at McDonald's, which saw prices double over that timeframe, followed by Popeyes, which had an 81% increase in pricing.

KFC is one of many restaurant chains that have noticeably hiked its menu prices. However, some of its most recent raises were implemented only in stores in China and Australia. It has since become ...

KFC stores will lift prices on many menu items again after its profit margins were squeezed by sharp increases in the cost of chicken, oil, chips and energy, even as sales of fried chicken and ...