Prefectures by share aged 0–14 (2050)

10.6%〜13.8%10.0%〜10.6%9.6%〜9.9%9.0%〜9.4%6.9%〜8.7%

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#	Prefecture	Aged 0–14	2020
1	Okinawa	13.8%	16.6%
2	Kumamoto	11.6%	13.2%
3	Fukuoka	11.3%	13.0%
4	Saga	11.3%	13.5%
5	Miyazaki	11.2%	13.1%
6	Kagoshima	11.1%	13.1%
7	Shiga	10.9%	13.6%
8	Aichi	10.8%	13.0%
9	Hiroshima	10.8%	12.6%
10	Tottori	10.6%	12.4%
11	Shimane	10.6%	12.2%
12	Okayama	10.4%	12.4%
13	Nagasaki	10.4%	12.5%
14	Oita	10.4%	12.1%
15	Ishikawa	10.2%	12.1%
16	Saitama	10.0%	11.9%
17	Tokyo	10.0%	11.2%
18	Kanagawa	10.0%	11.8%
19	Hyogo	10.0%	12.2%
20	Chiba	9.9%	11.7%
21	Fukui	9.9%	12.5%
22	Kagawa	9.9%	12.1%
23	Gifu	9.8%	12.3%
24	Shizuoka	9.7%	12.1%
25	Osaka	9.7%	11.7%
26	Nagano	9.6%	12.0%
27	Mie	9.6%	12.1%
28	Nara	9.6%	11.7%
29	Yamaguchi	9.6%	11.5%
30	Yamanashi	9.4%	11.4%
31	Kyoto	9.4%	11.4%
32	Ibaraki	9.2%	11.7%
33	Tochigi	9.2%	11.8%
34	Gunma	9.2%	11.7%
35	Wakayama	9.2%	11.4%
36	Ehime	9.2%	11.6%
37	Toyama	9.1%	11.2%
38	Miyagi	9.0%	11.7%
39	Kochi	8.7%	10.9%
40	Niigata	8.6%	11.3%
41	Tokushima	8.6%	10.9%
42	Hokkaido	8.5%	10.7%
43	Yamagata	8.5%	11.3%
44	Fukushima	8.2%	11.3%
45	Iwate	8.0%	11.0%
46	Aomori	7.4%	10.5%
47	Akita	6.9%	9.7%

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.