New Zealand vs Sierra Leone: Diphtheria tetanus toxoid and pertussis first-dose (DTP1)
New Zealand
92.0%
in 2025
Sierra Leone
92.0%
in 2025
New Zealand rank
117th
Sierra Leone rank
117th
Diphtheria tetanus toxoid and pertussis first-dose (DTP1) over time
- New Zealand
- Sierra Leone
How they compare
New Zealand currently reports 92.0% against 92.0% in Sierra Leone, a difference of 0.0%.
The two have swapped places 7 times across 26 shared years of data; in 2000 it was New Zealand ahead.
New Zealand ranks 117th and Sierra Leone ranks 117th of 194 countries.
Across the 3 decades both report, New Zealand averaged higher in 2 and Sierra Leone in 1.
Head to head by decade
| Decade | New Zealand | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 91.4% | 79.7% | 11.7% | New Zealand |
| 2010s | 93.9% | 95.8% | 1.9% | Sierra Leone |
| 2020s | 93.3% | 92.5% | 0.8% | New Zealand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher diphtheria tetanus toxoid and pertussis first-dose (dtp1), New Zealand or Sierra Leone?
- New Zealand, at 92.0% against 92.0% in Sierra Leone as of 2025.
- What is the difference in diphtheria tetanus toxoid and pertussis first-dose (dtp1) between New Zealand and Sierra Leone?
- 0.0%, with New Zealand ahead.
- How many years of comparable data are there for New Zealand and Sierra Leone?
- 26 years are reported by both, from 2000 to 2025.
- How do New Zealand and Sierra Leone rank globally for diphtheria tetanus toxoid and pertussis first-dose (dtp1)?
- New Zealand ranks 117th and Sierra Leone ranks 117th 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.