A survey developed by the editors of Travel + Leisure, in association with research firm M&RR, was made available at tlworldsbest.com from November 5, 2018, to March 4, 2019. Readers were invited to participate through Travel + Leisure magazine and its international editions, T+L tablet editions, newsletters, social media, and travelandleisure.com. M&RR maintained, monitored and kept the website secure, and also collected and tabulated the responses. To protect the integrity of the data, Travel + Leisure and M&RR screened the responses, eliminating fraudulent votes from the final tallies.
Respondents were asked to rate airlines, airports, car-rental agencies, cities, cruise ships, destination spas, hotels, hotel brands, islands, tour operators and safari outfitters on a number of characteristics (see below). For each, respondents could choose a rating of excellent, above average, average,…