Number of one-year-olds who are not fully vaccinated against in Sudan
Sudan: Number of one-year-olds who are not fully vaccinated against was 762,834 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Sudan, 1980–2023
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
Sudan recorded 762,834 one-year-olds for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in 2023. That is the highest value across all 44 years on record.
The figure is up 206.5% on the previous year and up 756.3% over ten years.
Over the whole period, number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Sudan peaked at 762,834 one-year-olds in 2023 and was at its lowest, 69,091 one-year-olds, in 2017.
That places Sudan 6th out of 195 countries with data for 2023, putting it 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 fully vaccinated against in Sudan, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1980 | 650,711 one-year-olds | — |
| 1981 | 680,068 one-year-olds | +4.5% |
| 1982 | 703,078 one-year-olds | +3.4% |
| 1983 | 717,620 one-year-olds | +2.1% |
| 1984 | 718,056 one-year-olds | +0.1% |
| 1985 | 694,925 one-year-olds | -3.2% |
| 1986 | 662,400 one-year-olds | -4.7% |
| 1987 | 577,374 one-year-olds | -12.8% |
| 1988 | 484,336 one-year-olds | -16.1% |
| 1989 | 328,396 one-year-olds | -32.2% |
| 1990 | 318,214 one-year-olds | -3.1% |
| 1991 | 324,143 one-year-olds | +1.9% |
| 1992 | 408,626 one-year-olds | +26.1% |
| 1993 | 436,087 one-year-olds | +6.7% |
| 1994 | 493,458 one-year-olds | +13.2% |
| 1995 | 486,228 one-year-olds | -1.5% |
| 1996 | 418,741 one-year-olds | -13.9% |
| 1997 | 435,412 one-year-olds | +4.0% |
| 1998 | 530,003 one-year-olds | +21.7% |
| 1999 | 447,761 one-year-olds | -15.5% |
| 2000 | 385,567 one-year-olds | -13.9% |
| 2001 | 353,210 one-year-olds | -8.4% |
| 2002 | 425,168 one-year-olds | +20.4% |
| 2003 | 336,383 one-year-olds | -20.9% |
| 2004 | 287,093 one-year-olds | -14.7% |
| 2005 | 246,961 one-year-olds | -14.0% |
| 2006 | 251,383 one-year-olds | +1.8% |
| 2007 | 186,080 one-year-olds | -26.0% |
| 2008 | 165,735 one-year-olds | -10.9% |
| 2009 | 228,898 one-year-olds | +38.1% |
| 2010 | 122,642 one-year-olds | -46.4% |
| 2011 | 87,544 one-year-olds | -28.6% |
| 2012 | 101,302 one-year-olds | +15.7% |
| 2013 | 89,081 one-year-olds | -12.1% |
| 2014 | 77,006 one-year-olds | -13.6% |
| 2015 | 91,154 one-year-olds | +18.4% |
| 2016 | 93,657 one-year-olds | +2.7% |
| 2017 | 69,091 one-year-olds | -26.2% |
| 2018 | 99,344 one-year-olds | +43.8% |
| 2019 | 102,285 one-year-olds | +3.0% |
| 2020 | 150,297 one-year-olds | +46.9% |
| 2021 | 245,363 one-year-olds | +63.3% |
| 2022 | 248,881 one-year-olds | +1.4% |
| 2023 | 762,834 one-year-olds | +206.5% |
Sudan compared with similar countries
- Sudan's 762,834 one-year-olds is above the median for low income countries, which is 144,384 one-year-olds, 5.3× the median. (25 countries reporting)
- Sudan's 762,834 one-year-olds is above the median for Sub-Saharan Africa, which is 52,290 one-year-olds, 14.6× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not fully vaccinated against in Sudan 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 |
|---|---|---|---|
| 2023 | +206.5% | 248,881 one-year-olds | 762,834 one-year-olds |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 621,696 one-year-olds | 328,396 one-year-olds | 718,056 one-year-olds | 10 |
| 1990s | 429,867 one-year-olds | 318,214 one-year-olds | 530,003 one-year-olds | 10 |
| 2000s | 286,648 one-year-olds | 165,735 one-year-olds | 425,168 one-year-olds | 10 |
| 2010s | 93,311 one-year-olds | 69,091 one-year-olds | 122,642 one-year-olds | 10 |
| 2020s | 351,844 one-year-olds | 150,297 one-year-olds | 762,834 one-year-olds | 4 |
Countries ranked near Sudan
More health data for Sudan
- Un projection of annual infant deaths, annual growth rate -1.63 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.6701 % change on previous year (2090)
- Number of infants who die before age 1 14,804 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 22 (2025)
- Population ages 00-04, female, annual growth rate 1.27 % 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 0.0737 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.15 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.076 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 Sudan?
- Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Sudan was 762,834 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 Sudan?
- The highest recorded value was 762,834 one-year-olds in 2023.
- What is the lowest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Sudan?
- The lowest recorded value was 69,091 one-year-olds in 2017.
- How does Sudan rank for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus?
- Sudan ranks 6th 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 Sudan?
- Over the last ten years it is up 756.3%. The long-run trend across the full record is volatile.
- Where does this Sudan 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.