Mini passenger cars' weekly usage frequency in Japan FY 2023
In a survey conducted in 2023 about the usage of light motor vehicles among private households and businesses in Japan, 67 percent of respondents stated to use their kei car almost daily. Only two percent of respondents stated to use their kei car less than once per week. Japanese mini cars or kei cars must not exceed 3.4 meters in length, 2 meters in height, and 1.48 meters in width. The engine capacity is restricted to 0.66 liters.