Prefectures by population (2025)

3.5 million〜14.2 million1.9 million〜2.8 million1.3 million〜1.8 million910,504〜1.2 million526,765〜888,063

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

#	Prefecture	Population	2020
1	Tokyo	14.2 million	14 million
2	Kanagawa	9.2 million	9.2 million
3	Osaka	8.7 million	8.8 million
4	Aichi	7.5 million	7.5 million
5	Saitama	7.3 million	7.3 million
6	Chiba	6.3 million	6.3 million
7	Hyogo	5.3 million	5.5 million
8	Fukuoka	5.1 million	5.1 million
9	Hokkaido	5 million	5.2 million
10	Shizuoka	3.5 million	3.6 million
11	Ibaraki	2.8 million	2.9 million
12	Hiroshima	2.7 million	2.8 million
13	Kyoto	2.5 million	2.6 million
14	Miyagi	2.2 million	2.3 million
15	Niigata	2.1 million	2.2 million
16	Nagano	2 million	2 million
17	Gifu	1.9 million	2 million
18	Gunma	1.9 million	1.9 million
19	Tochigi	1.9 million	1.9 million
20	Okayama	1.8 million	1.9 million
21	Fukushima	1.7 million	1.8 million
22	Mie	1.7 million	1.8 million
23	Kumamoto	1.7 million	1.7 million
24	Kagoshima	1.5 million	1.6 million
25	Okinawa	1.5 million	1.5 million
26	Shiga	1.4 million	1.4 million
27	Nara	1.3 million	1.3 million
28	Yamaguchi	1.3 million	1.3 million
29	Ehime	1.3 million	1.3 million
30	Nagasaki	1.2 million	1.3 million
31	Aomori	1.2 million	1.2 million
32	Iwate	1.1 million	1.2 million
33	Ishikawa	1.1 million	1.1 million
34	Oita	1.1 million	1.1 million
35	Miyazaki	1 million	1.1 million
36	Yamagata	1 million	1.1 million
37	Toyama	985,612	1 million
38	Kagawa	910,504	950,244
39	Akita	888,063	959,502
40	Wakayama	875,458	922,584
41	Saga	782,764	811,442
42	Yamanashi	782,238	809,974
43	Fukui	732,872	766,863
44	Tokushima	679,024	719,559
45	Kochi	647,948	691,527
46	Shimane	639,610	671,126
47	Tottori	526,765	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.