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In the fiscal year 2024, the Hibiya Line in Japan's Greater Tokyo Area had the busiest main railway line section, reaching a congestion rate of 163 percent between the stations Minowa and Iriya during rush hour. Tokyo's subways are the main mode of transport for locals.
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Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2024
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October to November, 2024; 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). (July 29, 2025). Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2024 [Graph]. In Statista. Retrieved November 16, 2025, from https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/
MLIT (Japan). "Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2024." Chart. July 29, 2025. Statista. Accessed November 16, 2025. https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/
MLIT (Japan). (2025). Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2024. Statista. Statista Inc.. Accessed: November 16, 2025. https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/
MLIT (Japan). "Main Railway Line Sections with The Highest Congestion Rates in Japan's Greater Tokyo Area in Fiscal Year 2024." Statista, Statista Inc., 29 Jul 2025, https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/
MLIT (Japan), Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2024 Statista, https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/ (last visited November 16, 2025)
Main railway line sections with the highest congestion rates in Japan's Greater Tokyo Area in fiscal year 2024 [Graph], MLIT (Japan), July 29, 2025. [Online]. Available: https://www.statista.com/statistics/1279107/japan-most-congested-main-railway-lines-tokyo/
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