Peru vs Tanzania: Share of one-year-olds who are vaccinated against polio
Peru
80.0%
in 2024
Tanzania
80.0%
in 2024
Peru rank
141st
Tanzania rank
141st
Share of one-year-olds who are vaccinated against polio over time
- Peru
- Tanzania
How they compare
Peru currently reports 80.0% against 80.0% in Tanzania, a difference of 0.0%.
The two have swapped places 12 times across 45 shared years of data; in 1980 it was Tanzania ahead.
Peru ranks 141st and Tanzania ranks 141st of 194 countries.
Across the 5 decades both report, Peru averaged higher in 3 and Tanzania in 2.
Head to head by decade
| Decade | Peru | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 37.2% | 61.2% | 24.0% | Tanzania |
| 1990s | 86.9% | 79.3% | 7.6% | Peru |
| 2000s | 89.2% | 85.9% | 3.3% | Peru |
| 2010s | 86.4% | 90.0% | 3.6% | Tanzania |
| 2020s | 79.4% | 73.4% | 6.0% | Peru |
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, Peru or Tanzania?
- Peru, at 80.0% against 80.0% in Tanzania as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Peru and Tanzania?
- 0.0%, with Peru ahead.
- How many years of comparable data are there for Peru and Tanzania?
- 45 years are reported by both, from 1980 to 2024.
- How do Peru and Tanzania rank globally for share of one-year-olds who are vaccinated against polio?
- Peru ranks 141st and Tanzania ranks 141st of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2026); UN, World Population Prospects (2024) β 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.