The country in question is Australia where the average tourist is reported to spend £3,882 each for the duration of their trip.
The report, conducted by Globehunters.ca, also highlighted Luxembourg, Lebanon, New Zealand and the USA as the other top five countries for big spenders.
Luxembourg is the country where visitors spend the second-largest sum, with each person spending around £3,544 per person.
Lebanon saw tourists hand over around £3,361. Adventures in New Zealand and the USA saw travellers spending around a grand less, at £2,372 and £2,246 per person respectively.
Other countries to feature in the top ten were Qatar, Panama, Macau, Sweden and the Maldives.
Along with spending amount per person, the report also showed the countries that make the most money from tourism.
Unsurprisingly, the USA took the crown, bringing in a whopping £172,812,540,000 in 2018.
The UK managed to make it into the top five countries, with holidaymakers boosting the British economy by £41,993,020,000.
European destinations Spain and France saw an income of £55,730,480,000 and £49,758,420,000 respectively.
Thailand also fared well, bringing in £47,131,140,000.
Revenue from tourism also boosted Italy, Australia, Germany, Macau and Japan.
The research uses data from the UN World Tourism Organisation (UNTWO) which shows not only how many people are visiting each country, but also how much they’re spending during their visits.