The United States is still home to world 's busiest airport . The ACI World Airport Traffic Report was based on reports from nearly 2,000 airports in 160 countries worldwide . Worldwide air passenger numbers increased to 6.3 billion in 2013 . The top six airports in the world remained the same as last year . Comment:
The United States is still home to world 's busiest airport . Worldwide air passenger numbers increased to 6.3 billion in 2013 . The top six airports in the world remained the same as last year . Comment: