Which prefecture has the highest Share of population under 15 in Japan?

As of 2024, Okinawa has the highest Share of population under 15 at 15.8% among all 47 prefectures.

Which prefecture has the lowest Share of population under 15?

Akita has the lowest Share of population under 15 at 8.8% (2024).

What is the national average of Share of population under 15?

The simple average across all 47 prefectures is 11.2% (2024), based on Statistics Bureau, MIC — Social Indicators by Prefecture (A: Population & Households).

Population & Vitality · National ranking

Share of population under 15

2024Unit: %higher is better

Share of the total population under 15. A gauge of the presence of child-rearing generations.

Source: Statistics Bureau, MIC — Social Indicators by Prefecture (A: Population & Households)

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In 2024, Okinawa recorded the highest Share of population under 15 (15.8%) and Akita the lowest (8.8%) among Japan's 47 prefectures. The simple 47-prefecture average is 11.2%. Source: Statistics Bureau, MIC — Social Indicators by Prefecture (A: Population & Households).

Time machine2005–2024

Replay how all 47 prefectures reordered over 20 years of records.

Population & Vitality · National ranking

Under-15 population shareAs of 2024Official latest

Share of the total population under 15. A gauge of the presence of child-rearing generations.

Move the time bar to see the ranking change over time

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1Okinawa
15.8%
2Shiga
12.7%
3Saga
12.7%
4Kumamoto
12.6%
5Kagoshima
12.5%
6Miyazaki
12.5%
7Fukuoka
12.4%
8Aichi
12.2%
9Nagasaki
11.9%
10Hiroshima
11.8%
11Tottori
11.8%
12Fukui
11.7%
13Okayama
11.7%
14Shimane
11.7%
15Hyogo
11.5%
16Oita
11.4%
17Kagawa
11.4%
18Gifu
11.4%
19Ishikawa
11.3%
20Mie
11.2%

FAQ — Share of population under 15

Which prefecture has the highest Share of population under 15 in Japan?: As of 2024, Okinawa has the highest Share of population under 15 at 15.8% among all 47 prefectures.
Which prefecture has the lowest Share of population under 15?: Akita has the lowest Share of population under 15 at 8.8% (2024).
What is the national average of Share of population under 15?: The simple average across all 47 prefectures is 11.2% (2024), based on Statistics Bureau, MIC — Social Indicators by Prefecture (A: Population & Households).

▲ The top 5 prefectures are tinted sky, ▼ the bottom 5 amber — just enough colour to follow the two ends of the “desirable direction.”

To see the same metric on the map, pick it from the map on the home page.

Time machine2005–2024

Under-15 population shareAs of 2024Official latest

FAQ — Share of population under 15

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