Guyana vs Portugal: Share of one-year-olds who are vaccinated against polio
Guyana
99.0%
in 2024
Portugal
99.0%
in 2024
Guyana rank
1st
Portugal rank
1st
Share of one-year-olds who are vaccinated against polio over time
- Guyana
- Portugal
How they compare
Guyana currently reports 99.0% against 99.0% in Portugal, a difference of 0.0%.
The two have swapped places 3 times across 45 shared years of data; in 1980 it was Guyana ahead.
Guyana ranks 1st and Portugal ranks 1st of 194 countries.
Across the 5 decades both report, Guyana averaged higher in 1 and Portugal in 4.
Head to head by decade
| Decade | Guyana | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 62.4% | 45.0% | 17.4% | Guyana |
| 1990s | 86.0% | 94.1% | 8.1% | Portugal |
| 2000s | 91.3% | 95.8% | 4.5% | Portugal |
| 2010s | 95.1% | 98.0% | 2.9% | Portugal |
| 2020s | 96.6% | 99.0% | 2.4% | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Guyana or Portugal?
- Guyana, at 99.0% against 99.0% in Portugal as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Guyana and Portugal?
- 0.0%, with Guyana ahead.
- How many years of comparable data are there for Guyana and Portugal?
- 45 years are reported by both, from 1980 to 2024.
- How do Guyana and Portugal rank globally for share of one-year-olds who are vaccinated against polio?
- Guyana ranks 1st and Portugal ranks 1st of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds who are vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.