Total tetanus - number of reported cases, gaps filled in Sierra Leone
Sierra Leone: Total tetanus - number of reported cases, gaps filled was 130 in 2025. ◆ Volatile
Total tetanus - number of reported cases, gaps filled in Sierra Leone, 1979–2025
Source: Statizoid (derived).
Analysis
Sierra Leone recorded 130 for total tetanus - number of reported cases, gaps filled in 2025.
That represents a change of up 1,757.1% on the previous year and up 1,081.8% over ten years.
Over the whole period, total tetanus - number of reported cases, gaps filled in Sierra Leone peaked at 971 in 2018 and was at its lowest, 0, in 1997.
That places Sierra Leone 20th out of 210 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Total tetanus - number of reported cases, gaps filled in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 1979 | 698 | — |
| 1980 | 871 | +24.8% |
| 1981 | 609 | -30.1% |
| 1982 | 739 | +21.3% |
| 1983 | 713 | -3.5% |
| 1984 | 643 | -9.8% |
| 1985 | 631 | -1.9% |
| 1986 | 64 | -89.9% |
| 1987 | 120 | +87.5% |
| 1988 | 154 | +28.3% |
| 1989 | 188 | +22.1% |
| 1990 | 103 | -45.2% |
| 1991 | 88 | -14.6% |
| 1997 | 0 | -100.0% |
| 1998 | 12 | — |
| 1999 | 24 | +100.0% |
| 2000 | 36 | +50.0% |
| 2005 | 10 | -72.2% |
| 2006 | 15 | +50.0% |
| 2007 | 8 | -46.7% |
| 2008 | 67 | +737.5% |
| 2009 | 12 | -82.1% |
| 2010 | 62 | +416.7% |
| 2011 | 112 | +80.6% |
| 2012 | 60.5 | -46.0% |
| 2013 | 9 | -85.1% |
| 2014 | 10 | +11.1% |
| 2015 | 11 | +10.0% |
| 2016 | 6 | -45.5% |
| 2017 | 43 | +616.7% |
| 2018 | 971 | +2158.1% |
| 2019 | 78 | -92.0% |
| 2020 | 7 | -91.0% |
| 2021 | 67 | +857.1% |
| 2022 | 79 | +17.9% |
| 2023 | 65 | -17.7% |
| 2024 | 7 | -89.2% |
| 2025 | 130 | +1757.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 698 | 698 | 698 | 1 |
| 1980s | 473.2 | 64 | 871 | 10 |
| 1990s | 45.4 | 0 | 103 | 5 |
| 2000s | 24.67 | 8 | 67 | 6 |
| 2010s | 136.25 | 6 | 971 | 10 |
| 2020s | 59.17 | 7 | 130 | 6 |
Countries ranked near Sierra Leone
- 17 Burkina Faso 199 compare
- 18 Ethiopia 148 compare
- 19 Mozambique 139 compare
- 21 Madagascar 128 compare
- 22 Guinea 113 compare
- 23 Yemen 103 compare
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)
- Total tetanus - number of reported cases, per capita 0 units per person (2025)
- Diphtheria - number of reported cases, gaps filled 0 (2025)
- Diphtheria - number of reported cases, per capita 0 units per person (2025)
- Measles - number of reported cases, gaps filled 207 (2025)
- Measles - number of reported cases, per unit of GDP 0 units per US$ of GDP (2025)
- Measles - number of reported cases, per capita 0 units per person (2025)
Frequently asked questions
- What is total tetanus - number of reported cases, gaps filled in Sierra Leone?
- Total tetanus - number of reported cases, gaps filled in Sierra Leone was 130 in 2025, according to Statizoid (derived).
- What is the highest total tetanus - number of reported cases, gaps filled recorded in Sierra Leone?
- The highest recorded value was 971 in 2018.
- What is the lowest total tetanus - number of reported cases, gaps filled recorded in Sierra Leone?
- The lowest recorded value was 0 in 1997.
- How does Sierra Leone rank for total tetanus - number of reported cases, gaps filled?
- Sierra Leone ranks 20th out of 210 countries with data for 2025.
- Is total tetanus - number of reported cases, gaps filled rising or falling in Sierra Leone?
- Over the last ten years it is up 1,081.8%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures come from Statizoid (derived), published as part of Total tetanus - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 38 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Total tetanus - number of reported cases with 793 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
Computed from
- Total tetanus - number of reported cases World Health Organization, Global Health Observatory
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Total tetanus - number of reported cases with 793 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.