Prefectures by share aged 0–14 (2035)

10.5%〜14.1%10.0%〜10.5%9.6%〜10.0%9.1%〜9.5%7.2%〜8.9%

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#	Prefecture	Aged 0–14	2020
1	Okinawa	14.1%	16.6%
2	Kumamoto	11.4%	13.2%
3	Fukuoka	11.2%	13.0%
4	Saga	11.2%	13.5%
5	Shiga	11.1%	13.6%
6	Aichi	11.0%	13.0%
7	Miyazaki	11.0%	13.1%
8	Kagoshima	11.0%	13.1%
9	Hiroshima	10.6%	12.6%
10	Shimane	10.5%	12.2%
11	Okayama	10.5%	12.4%
12	Tottori	10.4%	12.4%
13	Nagasaki	10.3%	12.5%
14	Saitama	10.1%	11.9%
15	Tokyo	10.1%	11.2%
16	Kanagawa	10.1%	11.8%
17	Ishikawa	10.1%	12.1%
18	Oita	10.1%	12.1%
19	Chiba	10.0%	11.7%
20	Fukui	10.0%	12.5%
21	Osaka	10.0%	11.7%
22	Hyogo	10.0%	12.2%
23	Gifu	9.9%	12.3%
24	Kagawa	9.9%	12.1%
25	Shizuoka	9.8%	12.1%
26	Mie	9.8%	12.1%
27	Nagano	9.7%	12.0%
28	Kyoto	9.6%	11.4%
29	Nara	9.6%	11.7%
30	Yamanashi	9.5%	11.4%
31	Gunma	9.4%	11.7%
32	Wakayama	9.4%	11.4%
33	Yamaguchi	9.4%	11.5%
34	Miyagi	9.3%	11.7%
35	Ibaraki	9.3%	11.7%
36	Tochigi	9.2%	11.8%
37	Ehime	9.2%	11.6%
38	Toyama	9.1%	11.2%
39	Fukushima	8.9%	11.3%
40	Yamagata	8.8%	11.3%
41	Niigata	8.8%	11.3%
42	Tokushima	8.8%	10.9%
43	Kochi	8.7%	10.9%
44	Hokkaido	8.6%	10.7%
45	Iwate	8.3%	11.0%
46	Aomori	8.0%	10.5%
47	Akita	7.2%	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.