Niger vs Sao Tome and Principe: Share of one-year-olds vaccinated against diphtheria, tetanus
Niger
87.0%
in 2025
Sao Tome and Principe
87.0%
in 2025
Niger rank
117th
Sao Tome and Principe rank
117th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Niger
- Sao Tome and Principe
How they compare
Niger currently reports 87.0% against 87.0% in Sao Tome and Principe, a difference of 0.0%.
Across all 45 years both countries report, Sao Tome and Principe has been ahead every year.
Niger ranks 117th and Sao Tome and Principe ranks 117th of 195 countries.
Sao Tome and Principe has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Niger | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 6.7% | 52.9% | 46.2% | Sao Tome and Principe |
| 1990s | 23.3% | 76.1% | 52.8% | Sao Tome and Principe |
| 2000s | 48.6% | 94.4% | 45.8% | Sao Tome and Principe |
| 2010s | 78.4% | 95.9% | 17.5% | Sao Tome and Principe |
| 2020s | 84.2% | 91.0% | 6.8% | Sao Tome and Principe |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds vaccinated against diphtheria, tetanus and pertussis, Niger or Sao Tome and Principe?
- Niger, at 87.0% against 87.0% in Sao Tome and Principe as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Niger and Sao Tome and Principe?
- 0.0%, with Niger ahead.
- How many years of comparable data are there for Niger and Sao Tome and Principe?
- 45 years are reported by both, from 1981 to 2025.
- How do Niger and Sao Tome and Principe rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Niger ranks 117th and Sao Tome and Principe ranks 117th of 195 countries.
- Where does this data come from?
- WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. 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 three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.