How often do you tip the wait staff when you go out to your favorite restaurant?

The national average tip in restaurants is 16.5 percent of the bill.  Nevada had the lowest average at 14.6 percent.

West Virginia came out on top with 20.1 percent tips in restaurants.  The percentage of people who leave tips is as high as 80 percent in Maine.In New Jersey, the percent of people who leave tips is only 42.  On average, 57 percent of Americans leave tips in restaurants.