In the fiscal year 2023, the Hibiya Line in Japan's Greater Tokyo Area had the busiest main railway line section, reaching a congestion rate of 162 percent between the stations Minowa and Iriya. Tokyo's subways are the main mode of transport for locals.
October to November 1, 2023; 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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MLIT (Japan). (August 2, 2024). Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2023 [Graph]. InStatista. Retrieved July 15, 2025, from https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/?__sso_cookie_checker=failed
MLIT (Japan). "Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2023." Chart. August 2, 2024. Statista. Accessed July 15, 2025. https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/?__sso_cookie_checker=failed
MLIT (Japan). (2024).Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2023.Statista. Statista Inc.. Accessed: July 15, 2025. https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/?__sso_cookie_checker=failed
MLIT (Japan). "Main Railway Line Sections with The Highest Congestion Rates in Japan's Greater Tokyo Area in Fiscal Year 2023."Statista, Statista Inc., 2 Aug 2024, https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/?__sso_cookie_checker=failed
MLIT (Japan), Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2023 Statista, https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/?__sso_cookie_checker=failed (last visited July 15, 2025)
Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2023 [Graph], MLIT (Japan), August 2, 2024. [Online]. Available: https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/?__sso_cookie_checker=failed