Incheon International Airport is celebrating its eighteenth anniversary this week,... and its status as the fifth-busiest airport in the world.<br /> The airport said Sunday that the number of global travellers passing though its gates has been growing every year at an average of seven-point-seven percent.<br />2018 saw an all-time annual high of 67-point-six million global passengers,... an on-year jump of ten percent.<br />That was the world's fifth-highest number of international travellers.<br />Dubai came first with nearly 89 million, followed by London Heathrow, Hong Kong and Amsterdam's Schiphol airport. <br />