Number of one-year-olds who are not vaccinated against diphtheria in Gambia
Gambia: Number of one-year-olds who are not vaccinated against diphtheria was -22.87 % change on previous year in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Gambia, 1981–2023
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Gambia recorded -22.87 % change on previous year for number of one-year-olds who are not vaccinated against diphtheria in 2023.
That represents a change of down 225.6% on the previous year and down 141.8% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Gambia peaked at 744.23 % change on previous year in 1999 and was at its lowest, -60.53 % change on previous year, in 2005.
Gambia ranks 160th of 194 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Number of one-year-olds who are not vaccinated against diphtheria in Gambia, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1981 | -32.21 % change on previous year | — |
| 1982 | -12.86 % change on previous year | -60.1% |
| 1983 | 98.73 % change on previous year | -867.8% |
| 1984 | -17.43 % change on previous year | -117.7% |
| 1985 | -23.31 % change on previous year | +33.7% |
| 1986 | 27.92 % change on previous year | -219.8% |
| 1987 | -42.24 % change on previous year | -251.3% |
| 1988 | 24.7 % change on previous year | -158.5% |
| 1989 | -25.04 % change on previous year | -201.4% |
| 1990 | -36 % change on previous year | +43.8% |
| 1991 | 95.33 % change on previous year | -364.8% |
| 1992 | 3.8 % change on previous year | -96.0% |
| 1993 | -31.27 % change on previous year | -922.6% |
| 1994 | -28.15 % change on previous year | -10.0% |
| 1995 | -41.31 % change on previous year | +46.8% |
| 1996 | 2.22 % change on previous year | -105.4% |
| 1997 | 1.25 % change on previous year | -43.7% |
| 1998 | -24.24 % change on previous year | -2042.9% |
| 1999 | 744.23 % change on previous year | -3169.8% |
| 2000 | -18.86 % change on previous year | -102.5% |
| 2001 | -34.16 % change on previous year | +81.1% |
| 2002 | 1.49 % change on previous year | -104.4% |
| 2003 | 1.72 % change on previous year | +15.4% |
| 2004 | 2.01 % change on previous year | +16.7% |
| 2005 | -60.53 % change on previous year | -3111.0% |
| 2006 | 3.03 % change on previous year | -105.0% |
| 2007 | 3.38 % change on previous year | +11.6% |
| 2008 | -17.61 % change on previous year | -621.5% |
| 2009 | -48.88 % change on previous year | +177.5% |
| 2010 | 53.59 % change on previous year | -209.6% |
| 2011 | 37.07 % change on previous year | -30.8% |
| 2012 | -48.5 % change on previous year | -230.9% |
| 2013 | 54.66 % change on previous year | -212.7% |
| 2014 | 36.27 % change on previous year | -33.6% |
| 2015 | -24.6 % change on previous year | -167.8% |
| 2016 | 66.26 % change on previous year | -369.3% |
| 2017 | 59.34 % change on previous year | -10.4% |
| 2018 | -13.02 % change on previous year | -121.9% |
| 2019 | 70.09 % change on previous year | -638.2% |
| 2020 | 25.25 % change on previous year | -64.0% |
| 2021 | 21.54 % change on previous year | -14.7% |
| 2022 | 18.22 % change on previous year | -15.4% |
| 2023 | -22.87 % change on previous year | -225.6% |
Gambia compared with similar countries
- Gambia's -22.87 % change on previous year is below the median for low income countries, which is 0.6357 % change on previous year. (25 countries reporting)
- Gambia's -22.87 % change on previous year is below the median for Sub-Saharan Africa, which is 0.8149 % change on previous year. (48 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Gambia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1999 | +3169.8% | -24.24 % change on previous year | 744.23 % change on previous year |
| 2005 | -3111.0% | 2.01 % change on previous year | -60.53 % change on previous year |
| 1998 | -2042.9% | 1.25 % change on previous year | -24.24 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | -0.1932 % change on previous year | -42.24 % change on previous year | 98.73 % change on previous year | 9 |
| 1990s | 68.59 % change on previous year | -41.31 % change on previous year | 744.23 % change on previous year | 10 |
| 2000s | -16.84 % change on previous year | -60.53 % change on previous year | 3.38 % change on previous year | 10 |
| 2010s | 29.12 % change on previous year | -48.5 % change on previous year | 70.09 % change on previous year | 10 |
| 2020s | 10.53 % change on previous year | -22.87 % change on previous year | 25.25 % change on previous year | 4 |
Countries ranked near Gambia
- 157 Mauritius -21.16 % change on previous year compare
- 158 Cote d'Ivoire -21.47 % change on previous year compare
- 159 Poland -21.51 % change on previous year compare
- 161 Colombia -23.32 % change on previous year compare
- 162 Mongolia -23.44 % change on previous year compare
- 163 Georgia -23.99 % change on previous year compare
More health data for Gambia
- Un projection of annual infant deaths, annual growth rate -1.27 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.15 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,044 deaths per 1,000 people (2090)
- Number of infants who die before age 1 700 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 0.9696 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0686 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.9636 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in Gambia?
- Number of one-year-olds who are not vaccinated against diphtheria in Gambia was -22.87 % change on previous year in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Gambia?
- The highest recorded value was 744.23 % change on previous year in 1999.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Gambia?
- The lowest recorded value was -60.53 % change on previous year in 2005.
- How does Gambia rank for number of one-year-olds who are not vaccinated against diphtheria?
- Gambia ranks 160th out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Gambia?
- Over the last ten years it is down 141.8%. The long-run trend across the full record is volatile.
- Where does this Gambia data come from?
- The figures come from Statizoid (derived), published as part of Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 43 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
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
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.