Yellow fever vaccine (YFV) immunization coverage among 1-year olds in Sierra Leone
Sierra Leone: Yellow fever vaccine (YFV) immunization coverage among 1-year olds was 85.0% in 2025. ▲ Rising
Latest (2025)
85.0%
Change on year
unchanged
World rank
7th
of 45 countries
All-time high
90.0%
in 2019
All-time low
0.0%
in 2000
Years of data
26
2000–2025
Yellow fever vaccine (YFV) immunization coverage among 1-year olds in Sierra Leone, 2000–2025
Source: World Health Organization, Global Health Observatory.
Analysis
The most recent figure for yellow fever vaccine (yfv) immunization coverage among 1-year olds in Sierra Leone is 85.0%, measured in 2025.
The figure is up 9.0% over ten years.
Over the whole period, yellow fever vaccine (yfv) immunization coverage among 1-year olds in Sierra Leone peaked at 90.0% in 2019 and was at its lowest, 0.0%, in 2000.
Sierra Leone ranks 7th of 45 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 26 years of available data.
Yellow fever vaccine (YFV) immunization coverage among 1-year olds in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 2000 | 0.0% | — |
| 2001 | 0.0% | — |
| 2002 | 71.0% | — |
| 2003 | 73.0% | +2.8% |
| 2004 | 75.0% | +2.7% |
| 2005 | 70.0% | -6.7% |
| 2006 | 65.0% | -7.1% |
| 2007 | 60.0% | -7.7% |
| 2008 | 64.0% | +6.7% |
| 2009 | 80.0% | +25.0% |
| 2010 | 82.0% | +2.5% |
| 2011 | 83.0% | +1.2% |
| 2012 | 85.0% | +2.4% |
| 2013 | 85.0% | +0.0% |
| 2014 | 80.0% | -5.9% |
| 2015 | 78.0% | -2.5% |
| 2016 | 80.0% | +2.6% |
| 2017 | 80.0% | +0.0% |
| 2018 | 85.0% | +6.2% |
| 2019 | 90.0% | +5.9% |
| 2020 | 86.0% | -4.4% |
| 2021 | 85.0% | -1.2% |
| 2022 | 73.0% | -14.1% |
| 2023 | 85.0% | +16.4% |
| 2024 | 85.0% | +0.0% |
| 2025 | 85.0% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 55.8% | 0.0% | 80.0% | 10 |
| 2010s | 82.8% | 78.0% | 90.0% | 10 |
| 2020s | 83.2% | 73.0% | 86.0% | 6 |
Countries ranked near Sierra Leone
More health data for Sierra Leone
- Un projection of annual infant deaths, annual growth rate -2.34 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.773 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,199 deaths per 1,000 people (2090)
- Number of infants who die before age 1 4,209 deaths (2100)
- Population ages 60-64, female, annual growth rate 3.53 % change on previous year (2025)
- Population ages 60-64, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 60-64, female, per capita 0.0106 units per person (2025)
- Population ages 60-64, male, annual growth rate 3.8 % change on previous year (2025)
- Population ages 60-64, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 60-64, male, per capita 0.0095 units per person (2025)
Frequently asked questions
- What is yellow fever vaccine (yfv) immunization coverage among 1-year olds in Sierra Leone?
- Yellow fever vaccine (yfv) immunization coverage among 1-year olds in Sierra Leone was 85.0% in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest yellow fever vaccine (yfv) immunization coverage among 1-year olds recorded in Sierra Leone?
- The highest recorded value was 90.0% in 2019.
- What is the lowest yellow fever vaccine (yfv) immunization coverage among 1-year olds recorded in Sierra Leone?
- The lowest recorded value was 0.0% in 2000.
- How does Sierra Leone rank for yellow fever vaccine (yfv) immunization coverage among 1-year olds?
- Sierra Leone ranks 7th out of 45 countries with data for 2025.
- Is yellow fever vaccine (yfv) immunization coverage among 1-year olds rising or falling in Sierra Leone?
- Over the last ten years it is up 9.0%. The long-run trend across the full record is rising.
- Where does this Sierra Leone data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Yellow fever vaccine (YFV) immunization coverage among 1-year olds (%). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 26 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).