Shinjuku Station is the main railway station in Shinjuku District, Tokyo. Railway operators using Shinjuku Station include East Japan Passenger Railway (JR East Japan), Ota Emergency Railway, King of Beijing Railway, Tokyo Metro and Tokyo Metro. Shinjuku Railway Station has a daily number of users. According to the number of people entering and leaving the gates, the JR route is 1.57 million, ranking the first in Japan, and the total number of institutions is 3.64 million. It is the highest used railway station in the world.