A tipping custom is a description of how people are paid

Tipping fills a gap that some wage systems leave and others do not

The size of a customary tip is inversely related to how much of a service worker’s income is guaranteed. Where wages for hospitality staff are low and expected to be topped up by customers, tipping is substantial and effectively obligatory; where the wage is the whole of the pay, tipping is small or absent.

That is why the practice varies so sharply between countries with similar living standards, and why arguments about it tend to talk past each other. Somebody defending tipping as fair reward and somebody attacking it as a subsidy to employers are usually describing two different labour markets.

It also explains why the custom cannot simply be exported. Tipping generously in a country where staff are paid a full wage is not a kindness with no downside; it can be confusing, occasionally awkward, and over time it distorts pricing in places that see many visitors.

Service charges and cover charges are not tips

Many countries add a service charge to the bill, either by law or by custom, and where that exists the additional tip is small or nothing. The line on the bill is the thing to read, and it’s usually labelled clearly even when the rest of the menu is not in a language you have.

A separate cover charge, common in parts of southern Europe, is a per-person charge for the table and bread rather than for service, and it doesn’t represent a gratuity. Confusing the two leads to either double payment or an unintended omission.

How a service charge reaches staff is a live policy question in several countries, with legislation in some places about pooling and distribution. It is a legitimate reason for a customer to prefer cash to the individual who served them, and equally a reason not to assume the charge has not been distributed.

Cash, card and the mechanics of the transaction

The physical means of paying changes what is practical. Card terminals in some countries prompt for a tip and in others have no such function at all, which is one reason the custom in cashless societies has shifted, and why carrying a small amount of cash remains useful even where cards are universal.

Rounding is the most widely understood gesture in Europe. Leaving the change, or bringing the total to a round figure, is legible everywhere and rarely wrong, and in many countries it is the entire extent of the practice in an ordinary café or taxi.

Where a tip is given directly, timing and discretion vary. In some traditions it is left on the table, in others handed over with thanks, and in a few it is more polite to state the total including the tip when paying, so the change comes back already adjusted.

Beyond restaurants the conventions are looser and less discussed

Hotel housekeeping, porters, guides, drivers and hairdressers all have their own customs and they do not necessarily match the restaurant norm in the same country. Guiding and driving in particular are often tipped where waiting staff are not, because the work is longer and more personal.

Tour operators frequently publish guidance for their own trips, and this is genuinely useful because it reflects local practice and the pay arrangements of the people involved. Where a company has said what is normal, that is a better source than a general rule about the country.

There are also places where tipping is discouraged or refused outright as a matter of professional pride, and pressing the point is rude rather than generous. Watching what residents do, once again, answers the question faster than any list.

The reasonable position for a traveller

Find out the local norm before arriving, follow it rather than the norm from home, and treat the question as one of fitting in rather than of being liberal. National tourist boards and reputable guides publish this, and it is one of the few pieces of practical advice that ages slowly.

Where the norm is genuinely unclear, rounding up modestly is almost never wrong and almost never causes offence. It is the low-risk option in an unfamiliar country and it takes no calculation at the end of a long meal in a second language.

And it is worth remembering that a tip is not a substitute for the rest of the interaction. In most of the world, arriving politely, learning the words for please and thank you and not treating staff as scenery counts for considerably more than the coins left on the plate.