Chad vs Sao Tome and Principe: Diphtheria tetanus toxoid and pertussis first-dose (DTP1)
Chad
86.0%
in 2025
Sao Tome and Principe
87.0%
in 2025
Chad rank
151st
Sao Tome and Principe rank
148th
Diphtheria tetanus toxoid and pertussis first-dose (DTP1) over time
- Chad
- Sao Tome and Principe
How they compare
Sao Tome and Principe currently reports 87.0% against 86.0% in Chad, a difference of 1.0%.
Across all 26 years both countries report, Sao Tome and Principe has been ahead every year.
Chad ranks 151st and Sao Tome and Principe ranks 148th of 194 countries.
Sao Tome and Principe has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Chad | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 46.0% | 97.2% | 51.2% | Sao Tome and Principe |
| 2010s | 58.9% | 97.6% | 38.7% | Sao Tome and Principe |
| 2020s | 81.3% | 91.2% | 9.8% | Sao Tome and Principe |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher diphtheria tetanus toxoid and pertussis first-dose (dtp1), Chad or Sao Tome and Principe?
- Sao Tome and Principe, at 87.0% against 86.0% in Chad as of 2025.
- What is the difference in diphtheria tetanus toxoid and pertussis first-dose (dtp1) between Chad and Sao Tome and Principe?
- 1.0%, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Chad and Sao Tome and Principe?
- 26 years are reported by both, from 2000 to 2025.
- How do Chad and Sao Tome and Principe rank globally for diphtheria tetanus toxoid and pertussis first-dose (dtp1)?
- Chad ranks 151st and Sao Tome and Principe ranks 148th of 194 countries.
- Where does this data come from?
- World Health Organization, Global Health Observatory, published as Diphtheria tetanus toxoid and pertussis first-dose (DTP1) immunization coverage among 1-year-olds (%) (WUENIC). Statizoid refreshes it automatically from the source and publishes the full history for both places.