Some 86 per cent of American travellers will tip.
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Food servers are the most likely to get a gratuity (50 per cent) followed by hotel maids and bellhops on 37 per cent.
New Zealanders do however rank highly when it comes to holiday spending. They budget US$2219 per person while travelling overseas behind the Japanese (US$2777) and Mexicans (US$2554).
French expect to spend the least - US$1361 when travelling abroad.
Kiwis are rated in the top one-third of nationalities hungry for holiday deals on 85 per cent, and of that 67 per cent are most frequently on the lookout for flight deals followed by special promotions or seasonal sales (61 per cent) and hotels with all-inclusive or offer meal plans (33 per cent).
Expedia says New Zealanders are "realistic"about the cost involved with travelling, half of all Kiwis feel "neutral" about spending money to go on a holiday. Just over two in ten (22 per cent) feel excited about parting with money to go holiday, saying the cost is worth it to have a nice holiday.