Prefectures by share aged 0–14 (2040)

10.6%〜14.0%10.2%〜10.6%9.7%〜10.2%9.2%〜9.6%7.1%〜8.8%

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#	Prefecture	Aged 0–14	2020
1	Okinawa	14.0%	16.6%
2	Kumamoto	11.5%	13.2%
3	Fukuoka	11.3%	13.0%
4	Shiga	11.2%	13.6%
5	Saga	11.2%	13.5%
6	Aichi	11.1%	13.0%
7	Miyazaki	11.0%	13.1%
8	Kagoshima	10.9%	13.1%
9	Hiroshima	10.8%	12.6%
10	Shimane	10.6%	12.2%
11	Okayama	10.6%	12.4%
12	Tottori	10.5%	12.4%
13	Saitama	10.3%	11.9%
14	Ishikawa	10.3%	12.1%
15	Oita	10.3%	12.1%
16	Chiba	10.2%	11.7%
17	Tokyo	10.2%	11.2%
18	Kanagawa	10.2%	11.8%
19	Hyogo	10.2%	12.2%
20	Nagasaki	10.2%	12.5%
21	Fukui	10.1%	12.5%
22	Osaka	10.1%	11.7%
23	Gifu	10.0%	12.3%
24	Kagawa	10.0%	12.1%
25	Nagano	9.9%	12.0%
26	Shizuoka	9.9%	12.1%
27	Mie	9.9%	12.1%
28	Kyoto	9.7%	11.4%
29	Nara	9.7%	11.7%
30	Yamanashi	9.6%	11.4%
31	Yamaguchi	9.6%	11.5%
32	Gunma	9.5%	11.7%
33	Ibaraki	9.4%	11.7%
34	Wakayama	9.4%	11.4%
35	Miyagi	9.3%	11.7%
36	Tochigi	9.3%	11.8%
37	Toyama	9.3%	11.2%
38	Ehime	9.2%	11.6%
39	Niigata	8.8%	11.3%
40	Tokushima	8.8%	10.9%
41	Yamagata	8.7%	11.3%
42	Fukushima	8.7%	11.3%
43	Kochi	8.7%	10.9%
44	Hokkaido	8.6%	10.7%
45	Iwate	8.2%	11.0%
46	Aomori	7.8%	10.5%
47	Akita	7.1%	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.