Number of one-year-olds who are not fully vaccinated against in Belgium
Belgium: Number of one-year-olds who are not fully vaccinated against was 2,342 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Belgium, 1980–2023
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
The most recent figure for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Belgium is 2,342 one-year-olds, measured in 2023.
The figure is up 81.4% over ten years.
Over the whole period, number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Belgium peaked at 24,381 one-year-olds in 1998 and was at its lowest, 1,240 one-year-olds, in 2008.
That places Belgium 137th out of 195 countries with data for 2023, putting it 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 fully vaccinated against in Belgium, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1980 | 6,126 one-year-olds | — |
| 1981 | 6,157 one-year-olds | +0.5% |
| 1982 | 6,134 one-year-olds | -0.4% |
| 1983 | 6,046 one-year-olds | -1.4% |
| 1984 | 5,892 one-year-olds | -2.6% |
| 1985 | 5,788 one-year-olds | -1.8% |
| 1986 | 5,722 one-year-olds | -1.2% |
| 1987 | 5,769 one-year-olds | +0.8% |
| 1988 | 23,458 one-year-olds | +306.6% |
| 1989 | 7,132 one-year-olds | -69.6% |
| 1990 | 8,470 one-year-olds | +18.8% |
| 1991 | 9,855 one-year-olds | +16.3% |
| 1992 | 6,273 one-year-olds | -36.3% |
| 1993 | 3,770 one-year-olds | -39.9% |
| 1994 | 4,914 one-year-olds | +30.4% |
| 1995 | 7,100 one-year-olds | +44.5% |
| 1996 | 5,778 one-year-olds | -18.6% |
| 1997 | 15,040 one-year-olds | +160.3% |
| 1998 | 24,381 one-year-olds | +62.1% |
| 1999 | 14,990 one-year-olds | -38.5% |
| 2000 | 5,706 one-year-olds | -61.9% |
| 2001 | 5,728 one-year-olds | +0.4% |
| 2002 | 5,742 one-year-olds | +0.3% |
| 2003 | 5,662 one-year-olds | -1.4% |
| 2004 | 5,643 one-year-olds | -0.3% |
| 2005 | 3,462 one-year-olds | -38.7% |
| 2006 | 2,371 one-year-olds | -31.5% |
| 2007 | 2,430 one-year-olds | +2.5% |
| 2008 | 1,240 one-year-olds | -49.0% |
| 2009 | 2,532 one-year-olds | +104.3% |
| 2010 | 2,581 one-year-olds | +1.9% |
| 2011 | 2,610 one-year-olds | +1.1% |
| 2012 | 1,305 one-year-olds | -50.0% |
| 2013 | 1,291 one-year-olds | -1.1% |
| 2014 | 1,273 one-year-olds | -1.4% |
| 2015 | 1,262 one-year-olds | -0.9% |
| 2016 | 2,497 one-year-olds | +97.8% |
| 2017 | 2,461 one-year-olds | -1.4% |
| 2018 | 2,433 one-year-olds | -1.1% |
| 2019 | 3,603 one-year-olds | +48.1% |
| 2020 | 2,381 one-year-olds | -33.9% |
| 2021 | 2,335 one-year-olds | -1.9% |
| 2022 | 2,342 one-year-olds | +0.3% |
| 2023 | 2,342 one-year-olds | -0.0% |
Belgium compared with similar countries
- Belgium's 2,342 one-year-olds is above the median for high income countries, which is 2,216 one-year-olds, 1.1× the median. (63 countries reporting)
- Belgium's 2,342 one-year-olds is below the median for Europe & Central Asia, which is 4,301 one-year-olds, 54% of the median. (51 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not fully vaccinated against in Belgium 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 |
|---|---|---|---|
| 1988 | +306.6% | 5,769 one-year-olds | 23,458 one-year-olds |
| 1997 | +160.3% | 5,778 one-year-olds | 15,040 one-year-olds |
| 2009 | +104.3% | 1,240 one-year-olds | 2,532 one-year-olds |
| 2016 | +97.8% | 1,262 one-year-olds | 2,497 one-year-olds |
| 1989 | -69.6% | 23,458 one-year-olds | 7,132 one-year-olds |
| 1998 | +62.1% | 15,040 one-year-olds | 24,381 one-year-olds |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 7,822 one-year-olds | 5,722 one-year-olds | 23,458 one-year-olds | 10 |
| 1990s | 10,057 one-year-olds | 3,770 one-year-olds | 24,381 one-year-olds | 10 |
| 2000s | 4,052 one-year-olds | 1,240 one-year-olds | 5,742 one-year-olds | 10 |
| 2010s | 2,132 one-year-olds | 1,262 one-year-olds | 3,603 one-year-olds | 10 |
| 2020s | 2,350 one-year-olds | 2,335 one-year-olds | 2,381 one-year-olds | 4 |
Countries ranked near Belgium
More health data for Belgium
- Un projection of annual infant deaths, annual growth rate -3.28 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.2923 % change on previous year (2090)
- Number of infants who die before age 1 59 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -2.11 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0229 units per person (2025)
- Population ages 00-04, male, annual growth rate -1.96 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.024 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Belgium?
- Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Belgium was 2,342 one-year-olds in 2023, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Belgium?
- The highest recorded value was 24,381 one-year-olds in 1998.
- What is the lowest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Belgium?
- The lowest recorded value was 1,240 one-year-olds in 2008.
- How does Belgium rank for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus?
- Belgium ranks 137th out of 195 countries with data for 2023.
- Is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus rising or falling in Belgium?
- Over the last ten years it is up 81.4%. The long-run trend across the full record is volatile.
- Where does this Belgium data come from?
- The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.