Australia vs Costa Rica: Share of adult citizens who have the right to vote
Australia
100.0%
in 2025
Costa Rica
100.0%
in 2025
Australia rank
1st
Costa Rica rank
1st
Share of adult citizens who have the right to vote over time
- Australia
- Costa Rica
How they compare
Australia currently reports 100.0% against 100.0% in Costa Rica, a difference of 0.0%.
The two have swapped places 4 times across 188 shared years of data; in 1838 it was Costa Rica ahead.
Australia ranks 1st and Costa Rica ranks 1st of 176 countries.
Across the 20 decades both report, Australia averaged higher in 8 and Costa Rica in 4.
Head to head by decade
| Decade | Australia | Costa Rica | Difference | Ahead |
|---|---|---|---|---|
| 1830s | 0.0% | 50.0% | 50.0% | Costa Rica |
| 1840s | 8.8% | 23.0% | 14.2% | Costa Rica |
| 1850s | 23.5% | 5.0% | 18.5% | Australia |
| 1860s | 50.0% | 5.0% | 45.0% | Australia |
| 1870s | 50.0% | 41.0% | 9.0% | Australia |
| 1880s | 50.0% | 50.0% | 0.0% | — |
| 1890s | 50.0% | 50.0% | 0.0% | — |
| 1900s | 85.0% | 40.0% | 45.0% | Australia |
| 1910s | 91.0% | 46.0% | 45.0% | Australia |
| 1920s | 95.0% | 50.0% | 45.0% | Australia |
| 1930s | 95.0% | 50.0% | 45.0% | Australia |
| 1940s | 96.2% | 50.0% | 46.2% | Australia |
| 1950s | 98.0% | 100.0% | 2.0% | Costa Rica |
| 1960s | 99.4% | 100.0% | 0.6% | Costa Rica |
| 1970s | 100.0% | 100.0% | 0.0% | — |
| 1980s | 100.0% | 100.0% | 0.0% | — |
| 1990s | 100.0% | 100.0% | 0.0% | — |
| 2000s | 100.0% | 100.0% | 0.0% | — |
| 2010s | 100.0% | 100.0% | 0.0% | — |
| 2020s | 100.0% | 100.0% | 0.0% | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of adult citizens who have the right to vote, Australia or Costa Rica?
- Australia, at 100.0% against 100.0% in Costa Rica as of 2025.
- What is the difference in share of adult citizens who have the right to vote between Australia and Costa Rica?
- 0.0%, with Australia ahead.
- How many years of comparable data are there for Australia and Costa Rica?
- 188 years are reported by both, from 1838 to 2025.
- How do Australia and Costa Rica rank globally for share of adult citizens who have the right to vote?
- Australia ranks 1st and Costa Rica ranks 1st of 176 countries.
- Where does this data come from?
- V-Dem (2026) – processed by Our World in Data, published as Share of adult citizens who have the right to vote. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of adult citizens which have the legal right to vote in national elections.