Prefectures by share aged 75+ (2050)

27.8%〜32.2%25.8%〜27.4%24.9%〜25.6%23.6%〜24.8%17.5%〜23.2%

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#	Prefecture	Aged 75+	2020
1	Akita	32.2%	19.9%
2	Aomori	31.1%	17.2%
3	Kochi	29.5%	19.0%
4	Iwate	29.1%	17.8%
5	Tokushima	28.8%	17.5%
6	Nara	28.6%	16.4%
7	Wakayama	28.5%	17.7%
8	Yamagata	28.1%	17.9%
9	Nagasaki	27.9%	16.9%
10	Fukushima	27.8%	16.0%
11	Ehime	27.4%	17.3%
12	Niigata	27.3%	17.0%
13	Hokkaido	27.2%	16.4%
14	Yamanashi	27.2%	16.1%
15	Yamaguchi	27.0%	18.3%
16	Nagano	26.9%	17.4%
17	Toyama	26.6%	17.0%
18	Gifu	25.9%	15.7%
19	Kagoshima	25.8%	16.8%
20	Tottori	25.6%	16.8%
21	Miyazaki	25.6%	16.8%
22	Gunma	25.5%	15.3%
23	Fukui	25.5%	16.0%
24	Oita	25.5%	17.4%
25	Mie	25.3%	15.7%
26	Hyogo	25.3%	15.2%
27	Ibaraki	25.2%	14.6%
28	Shizuoka	25.2%	15.6%
29	Kagawa	24.9%	16.4%
30	Tochigi	24.8%	14.0%
31	Shimane	24.8%	18.4%
32	Kyoto	24.6%	15.4%
33	Ishikawa	24.5%	15.2%
34	Saga	24.4%	15.6%
35	Kumamoto	24.3%	16.4%
36	Miyagi	24.0%	14.0%
37	Okayama	23.8%	16.1%
38	Hiroshima	23.6%	15.3%
39	Osaka	23.2%	14.6%
40	Shiga	22.8%	13.1%
41	Saitama	22.1%	13.5%
42	Kanagawa	22.1%	13.3%
43	Chiba	22.0%	14.0%
44	Aichi	21.4%	13.0%
45	Fukuoka	21.3%	14.0%
46	Okinawa	20.4%	10.8%
47	Tokyo	17.5%	12.1%

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.