Australia vs Costa Rica: Share of women in parliament
Australia
46.0%
in 2025
Costa Rica
49.1%
in 2025
Australia rank
8th
Costa Rica rank
7th
Share of women in parliament over time
- Australia
- Costa Rica
How they compare
Costa Rica currently reports 49.1% against 46.0% in Australia, a difference of 3.1%.
That makes Costa Rica's figure about 1.1 times Australia's.
The two have swapped places 4 times across 122 shared years of data; in 1901 it was Costa Rica ahead.
Australia ranks 8th and Costa Rica ranks 7th of 174 countries.
Across the 13 decades both report, Australia averaged higher in 1 and Costa Rica in 8.
Head to head by decade
| Decade | Australia | Costa Rica | Difference | Ahead |
|---|---|---|---|---|
| 1900s | 0.0% | 0.0% | 0.0% | — |
| 1910s | 0.0% | 0.0% | 0.0% | — |
| 1920s | 0.0% | 0.0% | 0.0% | — |
| 1930s | 0.0% | 0.0% | 0.0% | — |
| 1940s | 1.1% | 0.0% | 1.1% | Australia |
| 1950s | 0.1% | 4.2% | 4.2% | Costa Rica |
| 1960s | 0.2% | 3.7% | 3.4% | Costa Rica |
| 1970s | 0.1% | 6.3% | 6.2% | Costa Rica |
| 1980s | 4.7% | 8.4% | 3.8% | Costa Rica |
| 1990s | 12.1% | 14.4% | 2.3% | Costa Rica |
| 2000s | 25.4% | 31.4% | 6.0% | Costa Rica |
| 2010s | 27.1% | 38.2% | 11.1% | Costa Rica |
| 2020s | 37.2% | 47.4% | 10.2% | Costa Rica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of women in parliament, Australia or Costa Rica?
- Costa Rica, at 49.1% against 46.0% in Australia as of 2025.
- What is the difference in share of women in parliament between Australia and Costa Rica?
- 3.1%, with Costa Rica ahead.
- How many years of comparable data are there for Australia and Costa Rica?
- 122 years are reported by both, from 1901 to 2025.
- How do Australia and Costa Rica rank globally for share of women in parliament?
- Australia ranks 8th and Costa Rica ranks 7th of 174 countries.
- Where does this data come from?
- V-Dem (2026) – processed by Our World in Data, published as Share of women in parliament. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Percentage of women in the lower or single chamber of the legislature.