Prefectures by population (2040)

3.1 million〜14.5 million1.6 million〜2.5 million1.1 million〜1.6 million800,036〜1 million454,497〜728,026

Select a prefecture on the map to open its population pyramid.

#	Prefecture	Population	2020
1	Tokyo	14.5 million	14 million
2	Kanagawa	8.9 million	9.2 million
3	Osaka	7.9 million	8.8 million
4	Aichi	7 million	7.5 million
5	Saitama	7 million	7.3 million
6	Chiba	6 million	6.3 million
7	Hyogo	4.8 million	5.5 million
8	Fukuoka	4.8 million	5.1 million
9	Hokkaido	4.3 million	5.2 million
10	Shizuoka	3.1 million	3.6 million
11	Ibaraki	2.5 million	2.9 million
12	Hiroshima	2.4 million	2.8 million
13	Kyoto	2.3 million	2.6 million
14	Miyagi	2 million	2.3 million
15	Niigata	1.8 million	2.2 million
16	Nagano	1.7 million	2 million
17	Gunma	1.7 million	1.9 million
18	Tochigi	1.7 million	1.9 million
19	Okayama	1.6 million	1.9 million
20	Gifu	1.6 million	2 million
21	Mie	1.5 million	1.8 million
22	Kumamoto	1.5 million	1.7 million
23	Fukushima	1.4 million	1.8 million
24	Okinawa	1.4 million	1.5 million
25	Kagoshima	1.3 million	1.6 million
26	Shiga	1.3 million	1.4 million
27	Nara	1.1 million	1.3 million
28	Ehime	1.1 million	1.3 million
29	Yamaguchi	1.1 million	1.3 million
30	Nagasaki	1 million	1.3 million
31	Ishikawa	978,926	1.1 million
32	Oita	936,394	1.1 million
33	Iwate	923,684	1.2 million
34	Aomori	914,275	1.2 million
35	Miyazaki	888,718	1.1 million
36	Toyama	851,912	1 million
37	Yamagata	827,776	1.1 million
38	Kagawa	800,036	950,244
39	Wakayama	728,026	922,584
40	Saga	687,798	811,442
41	Akita	686,200	959,502
42	Yamanashi	681,111	809,974
43	Fukui	639,182	766,863
44	Tokushima	560,529	719,559
45	Shimane	553,085	671,126
46	Kochi	527,967	691,527
47	Tottori	454,497	553,407

Source: processed from the National Institute of Population and Social Security Research, Regional Population Projections for Japan (2023) (https://www.ipss.go.jp/pp-shicyoson/j/shicyoson23/t-page.asp). 2020 is the census; 2025 onwards are projections.