Business products, such as software as a service, fare much better, with annual retention rates north of 90 percent, according to a study of private SaaS companies done by Pacific Crest in 2013.13 And fast-food restaurant chains see month-over-month retention of customers ranging from 50 to 80 percent. For example, McDonald’s saw 78 percent of their customers come in every month to their restaurants in 2012.14