The Road Transport Vehicle Law defines light motor vehicles (LMVs) built since October 2008 as three- or four-wheeled automobiles with an engine displacement of 660cc or smaller not exceeding 3.4m in length, 2m in height, and 1.48m in width. Older vehicles follow slightly different regulations concerning displacement and size.
Values have been rounded.
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Number of light automobiles in use in Japan 2016-2025
As of March 31, 2025, Japan counted approximately million light motor vehicles (LMV), increasing from around million ten years earlier. Passenger vehicles are the most common type of mini vehicle on Japan's roads.
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Light Motor Vehicle Inspection Organization. (April 11, 2025). Number of light motor vehicles in use in Japan from 2016 to 2025 (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1254508/japan-mini-vehicles-in-use-numbers/
Light Motor Vehicle Inspection Organization. "Number of light motor vehicles in use in Japan from 2016 to 2025 (in millions)." Chart. April 11, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1254508/japan-mini-vehicles-in-use-numbers/
Light Motor Vehicle Inspection Organization. (2025). Number of light motor vehicles in use in Japan from 2016 to 2025 (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1254508/japan-mini-vehicles-in-use-numbers/
Light Motor Vehicle Inspection Organization. "Number of Light Motor Vehicles in Use in Japan from 2016 to 2025 (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Apr 2025, /statistics/1254508/japan-mini-vehicles-in-use-numbers/
Light Motor Vehicle Inspection Organization, Number of light motor vehicles in use in Japan from 2016 to 2025 (in millions) ÌÇÐÄÆƽâ°æ, /statistics/1254508/japan-mini-vehicles-in-use-numbers/ (last visited July 25, 2026)
Number of light motor vehicles in use in Japan from 2016 to 2025 (in millions) [Graph], Light Motor Vehicle Inspection Organization, April 11, 2025. [Online]. Available: /statistics/1254508/japan-mini-vehicles-in-use-numbers/
