Hanoi-Ho Chi Minh City route among world’s busiest
According to IATA’s ranking of global air passenger markets, the US remained the world’s largest market in 2025, with 890.1 million passengers, up 1.6% from 2024. China, the world’s second-largest market, recorded stronger growth of 4.8%, reaching 776.1 million passengers. China is widely forecast to overtake the US and become the world’s largest air passenger market in the 2030s.