Atlanta's Hartsfield-Jackson airport remains the busiest in the world and is joined by other American airports like Los Angeles International, Chicago's O'Hare International, Dallas/Fort Worth International and Denver International.
The top three airports in worldwide air freight traffic were Hong Kong, Shanghai and Incheon airports.
This year, the Chinese capital's airport came in second place again with more than 94-million passengers. What's interesting to note is that Delhi's IGI Airport has climbed up from 22nd position in 2016 to the current position of 16 in the ranking of the world's busiest airports.
New Delhi's Indira Gandhi International Airport has entered the top twenty of the world's best airports and the busiest among them in terms of traffic and volume.
According to the ACI, demand has continued to grow robustly year-on-year at the world's major airports both in terms of passenger numbers and air cargo. Total passenger traffic at DXB grew 5.5 percent in 2017.
Delhi was also ranked first in Airport Service Quality for airports with above 40 million passengers per annum along with Mumbai airport, stated the ACI. This group also represents 17 percent of global passenger traffic.
ACI's World Airport Traffic Forecasts also predicts that the country will represent the third largest aviation market, in terms of passenger throughput, after the USA and China by 2020.
The ranking was done on the preliminary research traffic and the passenger traffic results for the most traveled airports in the year 2017 which was released by the airports authority of India.
The Delhi airport has also emerged as the seventh busiest in Asia beating airports in South Korea, Singapore and Thailand. While Kolkata recorded an year-over-year growth of 26.9 percent, Hyderabad saw a growth of 19.6 percent, followed by Bengaluru at 12.9 percent, and Chennai at 10.5 percent. Meanwhile, Singapore airports' total global air freight traffic grew 7.9% YoY to 2.13 million.