Sex ratio by age in Japan
Japan: Sex ratio by age was 16.17 males per 100 females in 2023. ▼ Falling
Sex ratio by age in Japan, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.
Analysis
In 2023, sex ratio by age in Japan stood at 16.17 males per 100 females.
That represents a change of up 2.1% on the previous year and up 20.5% over ten years.
Over the whole period, sex ratio by age in Japan peaked at 38.55 males per 100 females in 1990 and was at its lowest, 8.05 males per 100 females, in 1996.
That places Japan 145th out of 212 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 20.78 males per 100 females | 18.44 males per 100 females | 23.4 males per 100 females | 10 |
| 1960s | 24.01 males per 100 females | 20.83 males per 100 females | 27.27 males per 100 females | 10 |
| 1970s | 26.79 males per 100 females | 24.58 males per 100 females | 30.15 males per 100 females | 10 |
| 1980s | 31.31 males per 100 females | 28.88 males per 100 females | 37.01 males per 100 females | 10 |
| 1990s | 19.59 males per 100 females | 8.05 males per 100 females | 38.55 males per 100 females | 10 |
| 2000s | 15.04 males per 100 females | 13.5 males per 100 females | 16.28 males per 100 females | 10 |
| 2010s | 13.76 males per 100 females | 13.19 males per 100 females | 14.64 males per 100 females | 10 |
| 2020s | 15.63 males per 100 females | 15.04 males per 100 females | 16.17 males per 100 females | 4 |
Countries ranked near Japan
More gender data for Japan
- Age population, age 00, female, interpolated 367,041 (2025)
- Age population, age 00, male, interpolated 384,885 (2025)
- Age population, age 01, female, interpolated 368,886 (2025)
- Age population, age 01, male, interpolated 386,553 (2025)
- Age population, age 02, female, interpolated 378,555 (2025)
- Age population, age 02, male, interpolated 396,805 (2025)
- Age population, age 03, female, interpolated 393,277 (2025)
- Age population, age 03, male, interpolated 412,389 (2025)
- Age population, age 04, female, interpolated 405,844 (2025)
- Age population, age 04, male, interpolated 425,727 (2025)
Frequently asked questions
- What is sex ratio by age in Japan?
- Sex ratio by age in Japan was 16.17 males per 100 females in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest sex ratio by age recorded in Japan?
- The highest recorded value was 38.55 males per 100 females in 1990.
- What is the lowest sex ratio by age recorded in Japan?
- The lowest recorded value was 8.05 males per 100 females in 1996.
- How does Japan rank for sex ratio by age?
- Japan ranks 145th out of 212 countries with data for 2023.
- Is sex ratio by age rising or falling in Japan?
- Over the last ten years it is up 20.5%. The long-run trend across the full record is falling.
- Where does this Japan data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Sex ratio by age. Statizoid updates them automatically from the source API.
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About this data
The number of males per 100 females at age 100+.