Figures refer to the total length of roads designated or approved by the Road Act. Data prior to 2023 come from previous reports. Values have been rounded.
As of March 31, 2023, the overall length of roads in Japan amounted to approximately 1.29 million kilometers. The vast majority of the available roads were municipal roads.
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MLIT (Japan). (March 31, 2025). Total length of roads in Japan from 2014 to 2023 (in 1,000 kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 14, 2026, from /statistics/862519/japan-road-length/
MLIT (Japan). "Total length of roads in Japan from 2014 to 2023 (in 1,000 kilometers)." Chart. March 31, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 14, 2026. /statistics/862519/japan-road-length/
MLIT (Japan). (2025). Total length of roads in Japan from 2014 to 2023 (in 1,000 kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 14, 2026. /statistics/862519/japan-road-length/
MLIT (Japan). "Total Length of Roads in Japan from 2014 to 2023 (in 1,000 Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Mar 2025, /statistics/862519/japan-road-length/
MLIT (Japan), Total length of roads in Japan from 2014 to 2023 (in 1,000 kilometers) ÌÇÐÄÆƽâ°æ, /statistics/862519/japan-road-length/ (last visited July 14, 2026)
Total length of roads in Japan from 2014 to 2023 (in 1,000 kilometers) [Graph], MLIT (Japan), March 31, 2025. [Online]. Available: /statistics/862519/japan-road-length/
