Prefectures by share aged 65+ (2035)

37.6%〜43.5%36.5%〜37.5%34.7%〜36.2%32.8%〜34.4%25.2%〜31.2%

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#	Prefecture	Aged 65+	2020
1	Akita	43.5%	37.5%
2	Aomori	40.9%	33.7%
3	Kochi	39.7%	35.5%
4	Iwate	39.3%	33.6%
5	Tokushima	39.1%	34.2%
6	Yamagata	38.8%	33.8%
7	Nagasaki	38.8%	33.0%
8	Wakayama	38.3%	33.4%
9	Fukushima	37.7%	31.7%
10	Yamaguchi	37.6%	34.6%
11	Nara	37.5%	31.7%
12	Ehime	37.5%	33.2%
13	Niigata	37.4%	32.8%
14	Kagoshima	37.3%	32.5%
15	Hokkaido	37.0%	32.1%
16	Yamanashi	36.9%	30.8%
17	Miyazaki	36.7%	32.6%
18	Oita	36.6%	33.3%
19	Nagano	36.5%	32.0%
20	Toyama	36.2%	32.6%
21	Tottori	36.1%	32.3%
22	Shimane	36.1%	34.2%
23	Kumamoto	35.2%	31.4%
24	Gifu	35.1%	30.4%
25	Fukui	35.0%	30.6%
26	Saga	34.9%	30.6%
27	Gunma	34.7%	30.2%
28	Shizuoka	34.7%	30.1%
29	Kagawa	34.7%	31.8%
30	Ibaraki	34.4%	29.7%
31	Mie	34.4%	29.9%
32	Tochigi	34.2%	29.1%
33	Hyogo	34.0%	29.3%
34	Ishikawa	33.7%	29.8%
35	Okayama	33.1%	30.3%
36	Kyoto	33.0%	29.3%
37	Miyagi	32.8%	28.1%
38	Hiroshima	32.8%	29.4%
39	Osaka	31.2%	27.6%
40	Chiba	30.9%	27.6%
41	Shiga	30.8%	26.3%
42	Saitama	30.7%	27.0%
43	Fukuoka	30.7%	27.9%
44	Kanagawa	30.2%	25.6%
45	Aichi	29.2%	25.3%
46	Okinawa	28.3%	22.6%
47	Tokyo	25.2%	22.7%

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.