Japan: busiest main railway lines in Tokyo 2021

In the fiscal year 2022, the Keihin-Tohoku Line in Japan's Greater Tokyo Area had the busiest main railway line section, reaching a congestion rate of 142 percent between the stations Kawaguchi and Akabane. Due to the COVID-19 pandemic, congestion rates decreased in Tokyo from an average of 163 percent to 123 percent. If also including other than main sections, the Nippori-toneri Liner was the most-congested rail track.

Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2021

Characteristic	Congestion rate
Keihin-tohoku Line, Kawaguchi - Akabane	142%
Chiyoda Line, Machiya - Nishi-nippori	139%
Chuo Line (Rapid), Nakano - Shinjuku	139%
Tozai Line, Kiba - Monzen-nakacho	138%
Hibiya Line, Minowa - Iriya	135%
Mita Line, Nishi-sugamo - Sugamo	135%
Tokaido Line, Kawasaki - Shinagawa	134%
Sobu Line (rapid), Shinkoiwa - Kinshicho	131%
Yurakucho Line, Higashi-ikebukuro - Gokokuji	131%
Shinjuku Line, Nishi-ojima - Sumiyoshi	130%

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Release date

July 2023

More information

Region

Japan

Survey time period

October to November 1, 2022; the Japanese fiscal years start on April 1 of the stated year and end on March 31 of the following year

Special properties

10 highest congestion rates

Supplementary notes

*Main sections refer to those sections that the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) has surveyed continuously in its congestion statistics.
**According to the source, the MLIT defines a 100 percent level as a situation where all the seats in the train are taken and the standing passengers can find a strap to hold on to, while 180 percent is a situation where a passenger can, with some difficulty, read a folded newspaper. The rate represents the average level of congestion amid the busiest hour.

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