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 1.23 one-year-olds per square kilometre in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Gambia, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per square kilometre.
Analysis
Gambia recorded 1.23 one-year-olds per square kilometre for number of one-year-olds who are not vaccinated against diphtheria in 2023.
The figure is down 22.9% on the previous year and up 458.9% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Gambia peaked at 1.6 one-year-olds per square kilometre in 2022 and was at its lowest, 0.1316 one-year-olds per square kilometre, in 2009.
Gambia ranks 11th of 192 countries on this measure, in the top 10%.
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 | one-year-olds per square kilometre | Change |
|---|---|---|
| 1980 | 1.03 one-year-olds per square kilometre | — |
| 1981 | 0.7005 one-year-olds per square kilometre | -32.2% |
| 1982 | 0.6105 one-year-olds per square kilometre | -12.9% |
| 1983 | 1.21 one-year-olds per square kilometre | +98.7% |
| 1984 | 1 one-year-olds per square kilometre | -17.4% |
| 1985 | 0.7681 one-year-olds per square kilometre | -23.3% |
| 1986 | 0.9826 one-year-olds per square kilometre | +27.9% |
| 1987 | 0.5676 one-year-olds per square kilometre | -42.2% |
| 1988 | 0.7078 one-year-olds per square kilometre | +24.7% |
| 1989 | 0.5306 one-year-olds per square kilometre | -25.0% |
| 1990 | 0.3396 one-year-olds per square kilometre | -36.0% |
| 1991 | 0.6633 one-year-olds per square kilometre | +95.3% |
| 1992 | 0.6885 one-year-olds per square kilometre | +3.8% |
| 1993 | 0.4733 one-year-olds per square kilometre | -31.3% |
| 1994 | 0.34 one-year-olds per square kilometre | -28.1% |
| 1995 | 0.1996 one-year-olds per square kilometre | -41.3% |
| 1996 | 0.204 one-year-olds per square kilometre | +2.2% |
| 1997 | 0.2065 one-year-olds per square kilometre | +1.2% |
| 1998 | 0.1565 one-year-olds per square kilometre | -24.2% |
| 1999 | 1.32 one-year-olds per square kilometre | +744.2% |
| 2000 | 1.07 one-year-olds per square kilometre | -18.9% |
| 2001 | 0.7056 one-year-olds per square kilometre | -34.2% |
| 2002 | 0.7161 one-year-olds per square kilometre | +1.5% |
| 2003 | 0.7285 one-year-olds per square kilometre | +1.7% |
| 2004 | 0.7431 one-year-olds per square kilometre | +2.0% |
| 2005 | 0.2933 one-year-olds per square kilometre | -60.5% |
| 2006 | 0.3022 one-year-olds per square kilometre | +3.0% |
| 2007 | 0.3124 one-year-olds per square kilometre | +3.4% |
| 2008 | 0.2574 one-year-olds per square kilometre | -17.6% |
| 2009 | 0.1316 one-year-olds per square kilometre | -48.9% |
| 2010 | 0.2021 one-year-olds per square kilometre | +53.6% |
| 2011 | 0.277 one-year-olds per square kilometre | +37.1% |
| 2012 | 0.1426 one-year-olds per square kilometre | -48.5% |
| 2013 | 0.2206 one-year-olds per square kilometre | +54.7% |
| 2014 | 0.3006 one-year-olds per square kilometre | +36.3% |
| 2015 | 0.2267 one-year-olds per square kilometre | -24.6% |
| 2016 | 0.3769 one-year-olds per square kilometre | +66.3% |
| 2017 | 0.6005 one-year-olds per square kilometre | +59.3% |
| 2018 | 0.5223 one-year-olds per square kilometre | -13.0% |
| 2019 | 0.8884 one-year-olds per square kilometre | +70.1% |
| 2020 | 1.11 one-year-olds per square kilometre | +25.2% |
| 2021 | 1.35 one-year-olds per square kilometre | +21.5% |
| 2022 | 1.6 one-year-olds per square kilometre | +18.2% |
| 2023 | 1.23 one-year-olds per square kilometre | -22.9% |
Gambia compared with similar countries
- Gambia's 1.23 one-year-olds per square kilometre is above the median for low income countries, which is 0.4431 one-year-olds per square kilometre, 2.8× the median. (25 countries reporting)
- Gambia's 1.23 one-year-olds per square kilometre is above the median for Sub-Saharan Africa, which is 0.2848 one-year-olds per square kilometre, 4.3× the median. (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 | +744.2% | 0.1565 one-year-olds per square kilometre | 1.32 one-year-olds per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.8116 one-year-olds per square kilometre | 0.5306 one-year-olds per square kilometre | 1.21 one-year-olds per square kilometre | 10 |
| 1990s | 0.4592 one-year-olds per square kilometre | 0.1565 one-year-olds per square kilometre | 1.32 one-year-olds per square kilometre | 10 |
| 2000s | 0.5262 one-year-olds per square kilometre | 0.1316 one-year-olds per square kilometre | 1.07 one-year-olds per square kilometre | 10 |
| 2010s | 0.3758 one-year-olds per square kilometre | 0.1426 one-year-olds per square kilometre | 0.8884 one-year-olds per square kilometre | 10 |
| 2020s | 1.32 one-year-olds per square kilometre | 1.11 one-year-olds per square kilometre | 1.6 one-year-olds per square kilometre | 4 |
Countries ranked near Gambia
- 8 Vietnam 1.58 one-year-olds per square kilometre compare
- 9 Yemen 1.32 one-year-olds per square kilometre compare
- 10 Singapore 1.26 one-year-olds per square kilometre compare
- 12 Benin 1.22 one-year-olds per square kilometre compare
- 13 Pakistan 1.17 one-year-olds per square kilometre compare
- 14 Barbados 1.1 one-year-olds per square kilometre 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 1.23 one-year-olds per square kilometre 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 1.6 one-year-olds per square kilometre in 2022.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Gambia?
- The lowest recorded value was 0.1316 one-year-olds per square kilometre in 2009.
- How does Gambia rank for number of one-year-olds who are not vaccinated against diphtheria?
- Gambia ranks 11th out of 192 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 up 458.9%. 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, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus ÷ Land area (sq. km)
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
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
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
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.