Source: "Population Census" (Statistics Bureau, Ministry of Internal Affairs and Communications), "Population Projection for Japan" (National Institute of Population and Social Security Research). However, the source in 1945 is from "Population Survey" (Cabinet Bureau of Statistics (currently, Statistics Bureau, Ministry of Internal Affairs and Communications)).Foreigners of nationalities other than Korea, Taiwan, Sakhalin and South Sea Islands are not included in the population in 1940. Okinawa Prefecture is not included in the population in 1945. Foreigners 70 years old and over in Okinawa are not included in the population in 1950 by age group. 70 years old and over in Okinawa are not included in the population in 1955 by age group. 85 years old and over in Okinawa are not included in the population in 1960 by age group."All ages" includes "Age not reported" (excluding 1920, 1925, 1930, 1935, 1945, 1970 and population projection).All ages in 1945 are described by the traditional Japanese age system.The population ratio of "0-14", "15-64", "65+" are calculated from the population by age group.Source: "Population Census" (Statistics Bureau, Ministry of Internal Affairs and Communications), "Population Projection for Japan" (National Institute of Population and Social Security Research)"All ages" includes "Age not reported" (excluding population projection).Prefectural population projections are obtained by aggregation of projection populations by the respective municipalities. However, the 13 municipalities belonging to the "Hamadori area" (Iwaki-shi, Soma-shi, Minamisoma-shi, Hirono-machi, Naraha-machi, Tomioka-machi, Kawauchi-mura, Okuma-machi, Futaba-machi, Namie-machi, Katsurao-mura, Shinchi-machi, Iitate-mura) in Fukushima-ken are estimated as one area (the "Hamadori area").The population ratio of "0-14", "15-64", "65+" are calculated from the population by age group.The top age group of the population projections is "95+".Source: "Population Census" (Statistics Bureau, Ministry of Internal Affairs and Communications), "Population Projection for Japan" (National Institute of Population and Social Security Research)"All ages" includes "Age not reported" (excluding population projection).The population projections of 13 municipalities belonging to the "Hamadori area" (Iwaki-shi, Soma-shi, Minamisoma-shi, Hirono-machi, Naraha-machi, Tomioka-machi, Kawauchi-mura, Okuma-machi, Futaba-machi, Namie-machi, Katsurao-mura, Shinchi-machi, Iitate-mura) in Fukushima-ken are estimated as one area (the "Hamadori area"). The estimates for the "Hamadori area" can be obtained from "Data".The population ratio of "0-14", "15-64", "65+" are calculated from the population by age group.The top age group of the population projections is "95+".Source: "UN, World Population Prospects"The population ratio of "0-14", "15-64", "65+" are calculated from the population by age group.
