Apparently, if you're going to be working in the service industry, you should head to the Northeast! New Hampshire and Vermont both had the highest average tipping percentages, and Massachusetts came in third at 19.58% tips on average. We also looked into whether gender played a role in tipping habits.
How much to tip pizza delivery? The general rule in all instances is that you should tip between 10 % and 20 % of the total value of the bill.