Share of U.S. restaurant diners tipping 15 to 20 percent in 2013, by age
This statistic shows the share of United States restaurant diners tipping between 15 and 20 percent for good service as of December 2013, by age. During the survey, 66 percent of the respondents aged between 35 and 44 years said they tipped between 15 and 20 percent for good restaurant service.