Daftar prefektur Jepang berdasarkan populasi

Population in the following table is given according to the "de jure" population concept for enumerating the people.Population in the following table is given according to the "de facto" population concept for enumerating the people.Population in the following tables is given according to the A-type "de facto" population concept for enumerating the people, based on "koseki" registration systems.Population in the following table is given according to the population concept for enumerating the people, based on "koseki" registration system.Several demographic data remain for three ,(i.e. Kyōto-fu, Ōsaka-fu and Tōkyō-fu), 266 , 40 and one (i.e. Kaitaku-shi only in Hokkaidō) that existed for short time between Meiji Restoration and the Abolition of the han system, though not thoroughly surveyed. Prefectural system was only introduced to which the Meiji government gained from Tokugawa shogunate or the revolted , while many areas still belonged to local lordship governments.
The table below summarizes demographic data from three sources.