Number of one-year-olds who are not vaccinated against diphtheria in Zambia
Zambia: Number of one-year-olds who are not vaccinated against diphtheria was 0.0864 one-year-olds per square kilometre in 2023. ▬ Flat
Number of one-year-olds who are not vaccinated against diphtheria in Zambia, 1983–2023
Source: Statizoid (derived). Measured in one-year-olds per square kilometre.
Analysis
Zambia recorded 0.0864 one-year-olds per square kilometre for number of one-year-olds who are not vaccinated against diphtheria in 2023.
That represents a change of up 27.1% on the previous year and down 45.2% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Zambia peaked at 0.1756 one-year-olds per square kilometre in 1983 and was at its lowest, 0.0375 one-year-olds per square kilometre, in 1990.
That places Zambia 111th out of 192 countries with data for 2023, putting it in the middle of the range.
Number of one-year-olds who are not vaccinated against diphtheria in Zambia, year by year
| Year | one-year-olds per square kilometre | Change |
|---|---|---|
| 1983 | 0.1756 one-year-olds per square kilometre | — |
| 1984 | 0.1456 one-year-olds per square kilometre | -17.1% |
| 1985 | 0.1243 one-year-olds per square kilometre | -14.6% |
| 1986 | 0.1281 one-year-olds per square kilometre | +3.0% |
| 1987 | 0.0659 one-year-olds per square kilometre | -48.5% |
| 1988 | 0.0676 one-year-olds per square kilometre | +2.6% |
| 1989 | 0.0692 one-year-olds per square kilometre | +2.3% |
| 1990 | 0.0375 one-year-olds per square kilometre | -45.8% |
| 1991 | 0.0896 one-year-olds per square kilometre | +138.9% |
| 1992 | 0.0741 one-year-olds per square kilometre | -17.3% |
| 1993 | 0.0623 one-year-olds per square kilometre | -16.0% |
| 1994 | 0.0455 one-year-olds per square kilometre | -26.9% |
| 1995 | 0.0655 one-year-olds per square kilometre | +43.9% |
| 1996 | 0.0769 one-year-olds per square kilometre | +17.4% |
| 1997 | 0.0838 one-year-olds per square kilometre | +9.0% |
| 1998 | 0.0807 one-year-olds per square kilometre | -3.7% |
| 1999 | 0.0827 one-year-olds per square kilometre | +2.5% |
| 2000 | 0.0796 one-year-olds per square kilometre | -3.8% |
| 2001 | 0.0816 one-year-olds per square kilometre | +2.5% |
| 2002 | 0.089 one-year-olds per square kilometre | +9.1% |
| 2003 | 0.0968 one-year-olds per square kilometre | +8.8% |
| 2004 | 0.0995 one-year-olds per square kilometre | +2.8% |
| 2005 | 0.109 one-year-olds per square kilometre | +9.5% |
| 2006 | 0.1194 one-year-olds per square kilometre | +9.6% |
| 2007 | 0.1304 one-year-olds per square kilometre | +9.2% |
| 2008 | 0.0875 one-year-olds per square kilometre | -32.9% |
| 2009 | 0.0415 one-year-olds per square kilometre | -52.6% |
| 2010 | 0.1205 one-year-olds per square kilometre | +190.5% |
| 2011 | 0.1377 one-year-olds per square kilometre | +14.3% |
| 2012 | 0.1626 one-year-olds per square kilometre | +18.0% |
| 2013 | 0.1577 one-year-olds per square kilometre | -3.0% |
| 2014 | 0.1065 one-year-olds per square kilometre | -32.5% |
| 2015 | 0.0769 one-year-olds per square kilometre | -27.8% |
| 2016 | 0.0389 one-year-olds per square kilometre | -49.4% |
| 2017 | 0.0473 one-year-olds per square kilometre | +21.5% |
| 2018 | 0.0798 one-year-olds per square kilometre | +68.8% |
| 2019 | 0.0972 one-year-olds per square kilometre | +21.9% |
| 2020 | 0.132 one-year-olds per square kilometre | +35.7% |
| 2021 | 0.0754 one-year-olds per square kilometre | -42.9% |
| 2022 | 0.068 one-year-olds per square kilometre | -9.8% |
| 2023 | 0.0864 one-year-olds per square kilometre | +27.1% |
Zambia compared with similar countries
- Zambia's 0.0864 one-year-olds per square kilometre is below the median for lower middle income countries, which is 0.2635 one-year-olds per square kilometre, 33% of the median. (46 countries reporting)
- Zambia's 0.0864 one-year-olds per square kilometre is below the median for Sub-Saharan Africa, which is 0.2848 one-year-olds per square kilometre, 30% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Zambia 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 |
|---|---|---|---|
| 2010 | +190.5% | 0.0415 one-year-olds per square kilometre | 0.1205 one-year-olds per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.1109 one-year-olds per square kilometre | 0.0659 one-year-olds per square kilometre | 0.1756 one-year-olds per square kilometre | 7 |
| 1990s | 0.0699 one-year-olds per square kilometre | 0.0375 one-year-olds per square kilometre | 0.0896 one-year-olds per square kilometre | 10 |
| 2000s | 0.0934 one-year-olds per square kilometre | 0.0415 one-year-olds per square kilometre | 0.1304 one-year-olds per square kilometre | 10 |
| 2010s | 0.1025 one-year-olds per square kilometre | 0.0389 one-year-olds per square kilometre | 0.1626 one-year-olds per square kilometre | 10 |
| 2020s | 0.0904 one-year-olds per square kilometre | 0.068 one-year-olds per square kilometre | 0.132 one-year-olds per square kilometre | 4 |
Countries ranked near Zambia
- 108 Paraguay 0.0993 one-year-olds per square kilometre compare
- 109 Thailand 0.0945 one-year-olds per square kilometre compare
- 110 Egypt 0.0935 one-year-olds per square kilometre compare
- 112 Saint Kitts and Nevis 0.086 one-year-olds per square kilometre compare
- 113 Cyprus 0.081 one-year-olds per square kilometre compare
- 114 Georgia 0.0802 one-year-olds per square kilometre compare
More health data for Zambia
- Un projection of annual infant deaths, annual growth rate -1.09 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.7971 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 809.3 deaths per 1,000 people (2090)
- Number of infants who die before age 1 8,894 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 2 (2025)
- Population ages 00-04, female, annual growth rate 1.68 % 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 0.0743 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.69 % 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 Zambia?
- Number of one-year-olds who are not vaccinated against diphtheria in Zambia was 0.0864 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 Zambia?
- The highest recorded value was 0.1756 one-year-olds per square kilometre in 1983.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Zambia?
- The lowest recorded value was 0.0375 one-year-olds per square kilometre in 1990.
- How does Zambia rank for number of one-year-olds who are not vaccinated against diphtheria?
- Zambia ranks 111th out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Zambia?
- Over the last ten years it is down 45.2%. The long-run trend across the full record is flat.
- Where does this Zambia 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 — 41 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.