Portugal vs Tanzania: Share of adult citizens who have the right to vote
Portugal
100.0%
in 2025
Tanzania
100.0%
in 2025
Portugal rank
1st
Tanzania rank
1st
Share of adult citizens who have the right to vote over time
- Portugal
- Tanzania
How they compare
Portugal currently reports 100.0% against 100.0% in Tanzania, a difference of 0.0%.
The two have swapped places 1 time across 112 shared years of data; in 1914 it was Portugal ahead.
Portugal ranks 1st and Tanzania ranks 1st of 176 countries.
Across the 12 decades both report, Portugal averaged higher in 5 and Tanzania in 2.
Head to head by decade
| Decade | Portugal | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1910s | 28.3% | 0.0% | 28.3% | Portugal |
| 1920s | 30.0% | 0.0% | 30.0% | Portugal |
| 1930s | 39.0% | 0.0% | 39.0% | Portugal |
| 1940s | 45.0% | 0.0% | 45.0% | Portugal |
| 1950s | 50.0% | 0.4% | 49.6% | Portugal |
| 1960s | 60.0% | 73.0% | 13.0% | Tanzania |
| 1970s | 85.0% | 100.0% | 15.0% | Tanzania |
| 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, Portugal or Tanzania?
- Portugal, at 100.0% against 100.0% in Tanzania as of 2025.
- What is the difference in share of adult citizens who have the right to vote between Portugal and Tanzania?
- 0.0%, with Portugal ahead.
- How many years of comparable data are there for Portugal and Tanzania?
- 112 years are reported by both, from 1914 to 2025.
- How do Portugal and Tanzania rank globally for share of adult citizens who have the right to vote?
- Portugal ranks 1st and Tanzania 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.