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 0.0031 one-year-olds per person in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Zambia, 1983–2023
Source: Statizoid (derived). Measured in one-year-olds per person.
Analysis
In 2023, number of one-year-olds who are not vaccinated against diphtheria in Zambia stood at 0.0031 one-year-olds per person.
The figure is up 23.6% on the previous year and down 59.3% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Zambia peaked at 0.0205 one-year-olds per person in 1983 and was at its lowest, 0.0017 one-year-olds per person, in 2016.
Zambia ranks 62nd of 192 countries on this measure, in the middle of the range.
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 Zambia, year by year
| Year | one-year-olds per person | Change |
|---|---|---|
| 1983 | 0.0205 one-year-olds per person | — |
| 1984 | 0.0164 one-year-olds per person | -19.6% |
| 1985 | 0.0136 one-year-olds per person | -17.1% |
| 1986 | 0.0136 one-year-olds per person | -0.0% |
| 1987 | 0.0068 one-year-olds per person | -50.0% |
| 1988 | 0.0068 one-year-olds per person | -0.2% |
| 1989 | 0.0068 one-year-olds per person | -0.3% |
| 1990 | 0.0036 one-year-olds per person | -47.2% |
| 1991 | 0.0083 one-year-olds per person | +133.0% |
| 1992 | 0.0067 one-year-olds per person | -19.2% |
| 1993 | 0.0055 one-year-olds per person | -17.9% |
| 1994 | 0.0039 one-year-olds per person | -28.7% |
| 1995 | 0.0055 one-year-olds per person | +40.4% |
| 1996 | 0.0063 one-year-olds per person | +14.6% |
| 1997 | 0.0067 one-year-olds per person | +6.2% |
| 1998 | 0.0063 one-year-olds per person | -6.2% |
| 1999 | 0.0063 one-year-olds per person | -0.2% |
| 2000 | 0.0059 one-year-olds per person | -6.4% |
| 2001 | 0.0059 one-year-olds per person | -0.6% |
| 2002 | 0.0062 one-year-olds per person | +5.8% |
| 2003 | 0.0066 one-year-olds per person | +5.5% |
| 2004 | 0.0065 one-year-olds per person | -0.4% |
| 2005 | 0.0069 one-year-olds per person | +5.9% |
| 2006 | 0.0073 one-year-olds per person | +5.9% |
| 2007 | 0.0077 one-year-olds per person | +5.4% |
| 2008 | 0.005 one-year-olds per person | -35.3% |
| 2009 | 0.0023 one-year-olds per person | -54.2% |
| 2010 | 0.0064 one-year-olds per person | +180.6% |
| 2011 | 0.0071 one-year-olds per person | +10.6% |
| 2012 | 0.0081 one-year-olds per person | +14.3% |
| 2013 | 0.0076 one-year-olds per person | -6.1% |
| 2014 | 0.005 one-year-olds per person | -34.6% |
| 2015 | 0.0035 one-year-olds per person | -30.0% |
| 2016 | 0.0017 one-year-olds per person | -51.0% |
| 2017 | 0.002 one-year-olds per person | +17.8% |
| 2018 | 0.0033 one-year-olds per person | +63.8% |
| 2019 | 0.0039 one-year-olds per person | +18.3% |
| 2020 | 0.0051 one-year-olds per person | +31.8% |
| 2021 | 0.0029 one-year-olds per person | -44.5% |
| 2022 | 0.0025 one-year-olds per person | -12.3% |
| 2023 | 0.0031 one-year-olds per person | +23.6% |
Zambia compared with similar countries
- Zambia's 0.0031 one-year-olds per person is below the median for lower middle income countries, which is 0.0036 one-year-olds per person, 87% of the median. (46 countries reporting)
- Zambia's 0.0031 one-year-olds per person is below the median for Sub-Saharan Africa, which is 0.0048 one-year-olds per person, 64% 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 | +180.6% | 0.0023 one-year-olds per person | 0.0064 one-year-olds per person |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0121 one-year-olds per person | 0.0068 one-year-olds per person | 0.0205 one-year-olds per person | 7 |
| 1990s | 0.0059 one-year-olds per person | 0.0036 one-year-olds per person | 0.0083 one-year-olds per person | 10 |
| 2000s | 0.006 one-year-olds per person | 0.0023 one-year-olds per person | 0.0077 one-year-olds per person | 10 |
| 2010s | 0.0049 one-year-olds per person | 0.0017 one-year-olds per person | 0.0081 one-year-olds per person | 10 |
| 2020s | 0.0034 one-year-olds per person | 0.0025 one-year-olds per person | 0.0051 one-year-olds per person | 4 |
Countries ranked near Zambia
- 59 Cambodia 0.0033 one-year-olds per person compare
- 60 Marshall Islands 0.0033 one-year-olds per person compare
- 61 Mauritania 0.0032 one-year-olds per person compare
- 63 Uganda 0.003 one-year-olds per person compare
- 64 Kyrgyzstan 0.003 one-year-olds per person compare
- 65 Saint Lucia 0.0029 one-year-olds per person 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 0.0031 one-year-olds per person 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 0.0205 one-year-olds per person 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 0.0017 one-year-olds per person in 2016.
- How does Zambia rank for number of one-year-olds who are not vaccinated against diphtheria?
- Zambia ranks 62nd 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 59.3%. The long-run trend across the full record is volatile.
- 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 capita. 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 Population, total, 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 ÷ Population, total
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
- Population, total World Population Prospects, United Nations (UN)
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 Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.