Representation of women in the upper chamber of parliament in Japan
Japan: Representation of women in the upper chamber of parliament was 0.57 ratio in 2026. ▲ Rising
Representation of women in the upper chamber of parliament in Japan, 2021–2026
Source: Inter-Parliamentary Union – processed by Our World in Data. Measured in ratio.
Analysis
The most recent figure for representation of women in the upper chamber of parliament in Japan is 0.57 ratio, measured in 2026. That is the highest value across all 6 years on record.
Compared with earlier readings it is up 16.3% on the previous year and up 29.5% over ten years.
That places Japan 38th out of 71 countries with data for 2026, putting it in the middle of the range.
Representation of women in the upper chamber of parliament in Japan, year by year
| Year | ratio | Change |
|---|---|---|
| 2021 | 0.44 ratio | — |
| 2022 | 0.44 ratio | +0.0% |
| 2023 | 0.49 ratio | +11.4% |
| 2024 | 0.51 ratio | +4.1% |
| 2025 | 0.49 ratio | -3.9% |
| 2026 | 0.57 ratio | +16.3% |
Japan compared with similar countries
- Japan's 0.57 ratio is below the median for high income countries, which is 0.66 ratio, 86% of the median. (26 countries reporting)
- Japan's 0.57 ratio is above the median for East Asia & Pacific, which is 0.41 ratio, 1.4× the median. (6 countries reporting)
Countries ranked near Japan
- 35 Belarus 0.58 ratio compare
- 35 Ethiopia 0.58 ratio compare
- 35 Oman 0.58 ratio compare
- 39 Equatorial Guinea 0.55 ratio compare
- 40 Uzbekistan 0.54 ratio compare
- 41 Côte d'Ivoire 0.51 ratio compare
- 41 Somalia 0.51 ratio compare
- 41 United States of America 0.51 ratio compare
More gender data for Japan
- Child population (UN estimates and projections) 12,429 (2030)
- Child population (UN estimates and projections) (0-14), annual growth -1.96 % change on previous year (2030)
- Population 107,155 (2030)
- Working-age population (UN estimates and projections) 107,155 (2030)
- Population (UN estimates and projections), annual growth rate -0.4423 % change on previous year (2030)
- 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)
Frequently asked questions
- What is representation of women in the upper chamber of parliament in Japan?
- Representation of women in the upper chamber of parliament in Japan was 0.57 ratio in 2026, according to Inter-Parliamentary Union – processed by Our World in Data.
- What is the highest representation of women in the upper chamber of parliament recorded in Japan?
- The highest recorded value was 0.57 ratio in 2026.
- What is the lowest representation of women in the upper chamber of parliament recorded in Japan?
- The lowest recorded value was 0.44 ratio in 2021.
- How does Japan rank for representation of women in the upper chamber of parliament?
- Japan ranks 38th out of 71 countries with data for 2026.
- Is representation of women in the upper chamber of parliament rising or falling in Japan?
- Over the last ten years it is up 29.5%. The long-run trend across the full record is rising.
- Where does this Japan data come from?
- The figures come from Inter-Parliamentary Union – processed by Our World in Data, published as part of Representation of women in the upper chamber of parliament. Statizoid updates them automatically from the source API.
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About this data
Ratio for female members of parliaments (Ratio of the proportion of women in parliament in the proportion of women in the national population with the age of eligibility as a lower bound boundary), Upper Chamber.