Senegal vs Sierra Leone: Yellow fever vaccine (YFV) immunization coverage among 1-year olds
Senegal
91.0%
in 2025
Sierra Leone
85.0%
in 2025
Senegal rank
4th
Sierra Leone rank
7th
Yellow fever vaccine (YFV) immunization coverage among 1-year olds over time
- Senegal
- Sierra Leone
How they compare
Senegal currently reports 91.0% against 85.0% in Sierra Leone, a difference of 6.0%.
That makes Senegal's figure about 1.1 times Sierra Leone's.
The two have swapped places 8 times across 26 shared years of data; in 2000 it was Senegal ahead.
Senegal ranks 4th and Sierra Leone ranks 7th of 45 countries.
Across the 3 decades both report, Senegal averaged higher in 2 and Sierra Leone in 1.
Head to head by decade
| Decade | Senegal | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 65.3% | 55.8% | 9.5% | Senegal |
| 2010s | 80.1% | 82.8% | 2.7% | Sierra Leone |
| 2020s | 86.2% | 83.2% | 3.0% | Senegal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher yellow fever vaccine (yfv) immunization coverage among 1-year olds, Senegal or Sierra Leone?
- Senegal, at 91.0% against 85.0% in Sierra Leone as of 2025.
- What is the difference in yellow fever vaccine (yfv) immunization coverage among 1-year olds between Senegal and Sierra Leone?
- 6.0%, with Senegal ahead.
- How many years of comparable data are there for Senegal and Sierra Leone?
- 26 years are reported by both, from 2000 to 2025.
- How do Senegal and Sierra Leone rank globally for yellow fever vaccine (yfv) immunization coverage among 1-year olds?
- Senegal ranks 4th and Sierra Leone ranks 7th of 45 countries.
- Where does this data come from?
- World Health Organization, Global Health Observatory, published as Yellow fever vaccine (YFV) immunization coverage among 1-year olds (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.