The Skytrax World Airport survey is an independent study and Awards for various categories like world's best airports, busiest airports, cleanest airports etc., are given away to the winning airports at no cost. The Awards are voted for by air travellers in the largest, annual global airport customer satisfaction survey.
In 2018, the survey was conducted covering 550 airports worldwide and evaluating traveller experiences based on key performance indicators like check-in, arrivals, transfers, shopping, security and immigration through to departure at the gate.
Tokyo Haneda International Airport is once again named as the World's Cleanest Airport for 2018 according to the airport customers in the World Airport Survey. Here is the list of top 10 Cleanest Airports of 2018.