Sao Tome and Principe vs Sierra Leone: Yellow fever vaccine (YFV) immunization coverage among 1-year olds
Sao Tome and Principe
91.0%
in 2013
Sierra Leone
85.0%
in 2025
Sao Tome and Principe rank
4th
Sierra Leone rank
7th
Yellow fever vaccine (YFV) immunization coverage among 1-year olds over time
- Sao Tome and Principe
- Sierra Leone
How they compare
Sao Tome and Principe currently reports 91.0% against 85.0% in Sierra Leone, a difference of 6.0%.
That makes Sao Tome and Principe's figure about 1.1 times Sierra Leone's.
The two have swapped places 1 time across 14 shared years of data; in 2000 it was Sierra Leone ahead.
Sao Tome and Principe ranks 4th and Sierra Leone ranks 7th of 45 countries.
Across the 2 decades both report, Sao Tome and Principe averaged higher in 1 and Sierra Leone in 1.
Head to head by decade
| Decade | Sao Tome and Principe | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 50.8% | 55.8% | 5.0% | Sierra Leone |
| 2010s | 91.5% | 83.8% | 7.8% | Sao Tome and Principe |
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, Sao Tome and Principe or Sierra Leone?
- Sao Tome and Principe, at 91.0% against 85.0% in Sierra Leone as of 2013.
- What is the difference in yellow fever vaccine (yfv) immunization coverage among 1-year olds between Sao Tome and Principe and Sierra Leone?
- 6.0%, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Sierra Leone?
- 14 years are reported by both, from 2000 to 2013.
- How do Sao Tome and Principe and Sierra Leone rank globally for yellow fever vaccine (yfv) immunization coverage among 1-year olds?
- Sao Tome and Principe 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.