10 Busiest Train Stations in the World in 20251. Shinjuku Station, Tokyo – Over 1.16 Billion Passengers AnnuallyTopping the list is Shinjuku Station in Japan’s capital, which continues to hold its title as the world’s busiest railway hub. Howrah Station, Kolkata – Over Half a Billion TravelersMoving to India, Howrah Station in Kolkata caters to approximately 547 million passengers annually, making it the busiest train station in the country. Kita-Senju Station, Tokyo – Over 507 Million CommutersKita-Senju Station, nestled in the northern part of Tokyo, handles around 507 million passengers per year. Tokyo Station, Tokyo – Around 433 Million TravelersTokyo Station, located in Chiyoda ward, moves approximately 433 million travelers each year.