Looking at Europe, I’d say it’s accurate. As a personal rule, I tip by default: in a cafe I will round up the bill amount; in a restaurant I will do up to 10%.

Looking at Europe, I’d say it’s accurate. As a personal rule, I tip by default: in a cafe I will round up the bill amount; in a restaurant I will do up to 10%. I will withold the tip for a sub-par service. Most of people I know would do the same.