Free health care and a higher minimum wage in the U.K. means that there’s less reliance on tips to make up workers’ income.

When a South Korean ride-hailing company started asking passengers for voluntary tips last month, it sparked backlash from some customers.

Expectations around tipping have changed in the last several years. Here’s what to know.

And that legacy means a worker can be paid as little as $2.13 an hour at the federal level.