Population aged 15-24 years in Japan
Japan: Population aged 15-24 years was 11,776 thousands in 2025. βΌ Falling
Population aged 15-24 years in Japan, 1970β2025
Source: UNESCO Institute for Statistics. Measured in thousands.
Analysis
In 2025, population aged 15-24 years in Japan stood at 11,776 thousands.
The figure is up 0.5% on the previous year and down 1.4% over ten years.
Over the whole period, population aged 15-24 years in Japan peaked at 20,739 thousands in 1971 and was at its lowest, 11,716 thousands, in 2024.
That places Japan 20th out of 230 countries with data for 2025, putting it in the top 10%.
The long-run direction has been consistently falling across the 56 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 18,155 thousands | 15,988 thousands | 20,739 thousands | 10 |
| 1980s | 16,621 thousands | 15,723 thousands | 18,378 thousands | 10 |
| 1990s | 18,508 thousands | 16,674 thousands | 19,501 thousands | 10 |
| 2000s | 14,168 thousands | 12,647 thousands | 16,060 thousands | 10 |
| 2010s | 12,072 thousands | 11,945 thousands | 12,426 thousands | 10 |
| 2020s | 11,826 thousands | 11,716 thousands | 11,985 thousands | 6 |
Countries ranked near Japan
More population data for Japan
- Population growth rate by level of development -0.501 (2100)
- Projected population under age 5 2.83 million (2100)
- Population density 210.83 (2100)
- Population growth rate -0.501 (2100)
- Fertility and wanted fertility 1.15 (2024)
- Refugee population by country or territory of asylum 29,068 (2024)
- Fertility vs unmet contraception 1.15 (2024)
- Fertility vs contraception 1.15 (2024)
- Natural population growth -0.6228 (2023)
- Fertility rate with projections 1.21 (2023)
Frequently asked questions
- What is population aged 15-24 years in Japan?
- Population aged 15-24 years in Japan was 11,776 thousands in 2025, according to UNESCO Institute for Statistics.
- What is the highest population aged 15-24 years recorded in Japan?
- The highest recorded value was 20,739 thousands in 1971.
- What is the lowest population aged 15-24 years recorded in Japan?
- The lowest recorded value was 11,716 thousands in 2024.
- How does Japan rank for population aged 15-24 years?
- Japan ranks 20th out of 230 countries with data for 2025.
- Is population aged 15-24 years rising or falling in Japan?
- Over the last ten years it is down 1.4%. The long-run trend across the full record is falling.
- Where does this Japan data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Population aged 15-24 years (thousands). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 56 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release