Vaccination coverage against diphtheria, tetanus, and pertussis vs. in Chad
Chad: Vaccination coverage against diphtheria, tetanus, and pertussis vs. was 68.0% in 2024. ◆ Volatile
Vaccination coverage against diphtheria, tetanus, and pertussis vs. GDP per capita in Chad, 1983–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita in Chad stood at 68.0%. That is the highest value across all 42 years on record.
Compared with earlier readings it is up 1.5% on the previous year and up 88.9% over ten years.
Over the whole period, vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita in Chad peaked at 68.0% in 2024 and was at its lowest, 1.0%, in 1983.
Chad ranks 174th of 194 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Vaccination coverage against diphtheria, tetanus, and pertussis vs. in Chad, year by year
| Year | % | Change |
|---|---|---|
| 1983 | 1.0% | — |
| 1984 | 3.0% | +200.0% |
| 1985 | 3.0% | +0.0% |
| 1986 | 10.0% | +233.3% |
| 1987 | 14.0% | +40.0% |
| 1988 | 14.0% | +0.0% |
| 1989 | 20.0% | +42.9% |
| 1990 | 20.0% | +0.0% |
| 1991 | 18.0% | -10.0% |
| 1992 | 10.0% | -44.4% |
| 1993 | 13.0% | +30.0% |
| 1994 | 18.0% | +38.5% |
| 1995 | 18.0% | +0.0% |
| 1996 | 20.0% | +11.1% |
| 1997 | 24.0% | +20.0% |
| 1998 | 37.0% | +54.2% |
| 1999 | 45.0% | +21.6% |
| 2000 | 38.0% | -15.6% |
| 2001 | 26.0% | -31.6% |
| 2002 | 25.0% | -3.8% |
| 2003 | 23.0% | -8.0% |
| 2004 | 22.0% | -4.3% |
| 2005 | 26.0% | +18.2% |
| 2006 | 41.0% | +57.7% |
| 2007 | 29.0% | -29.3% |
| 2008 | 19.0% | -34.5% |
| 2009 | 26.0% | +36.8% |
| 2010 | 40.0% | +53.8% |
| 2011 | 33.0% | -17.5% |
| 2012 | 40.0% | +21.2% |
| 2013 | 39.0% | -2.5% |
| 2014 | 36.0% | -7.7% |
| 2015 | 42.0% | +16.7% |
| 2016 | 41.0% | -2.4% |
| 2017 | 41.0% | +0.0% |
| 2018 | 47.0% | +14.6% |
| 2019 | 53.0% | +12.8% |
| 2020 | 55.0% | +3.8% |
| 2021 | 62.0% | +12.7% |
| 2022 | 66.0% | +6.5% |
| 2023 | 67.0% | +1.5% |
| 2024 | 68.0% | +1.5% |
Chad compared with similar countries
- Chad's 68.0% is below the median for low income countries, which is 73.0%, 93% of the median. (25 countries reporting)
- Chad's 68.0% is below the median for Sub-Saharan Africa, which is 82.5%, 82% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Vaccination coverage against diphtheria, tetanus, and pertussis vs. in Chad 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 |
|---|---|---|---|
| 1986 | +233.3% | 3.0% | 10.0% |
| 1984 | +200.0% | 1.0% | 3.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 9.3% | 1.0% | 20.0% | 7 |
| 1990s | 22.3% | 10.0% | 45.0% | 10 |
| 2000s | 27.5% | 19.0% | 41.0% | 10 |
| 2010s | 41.2% | 33.0% | 53.0% | 10 |
| 2020s | 63.6% | 55.0% | 68.0% | 5 |
Countries ranked near Chad
- 173 Suriname 69.0% compare
- 174 Equatorial Guinea 68.0% compare
- 174 Guinea-Bissau 68.0% compare
- 177 Laos 67.0% compare
- 177 Nigeria 67.0% compare
More economy & growth data for Chad
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP -0.2407 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 2.66 Percent per annum (2029)
- SDRs holdings, US dollar, annual growth rate -59.96 % change on previous year (2025)
- SDRs holdings, US dollar, per unit of GDP 0 units per US$ of GDP (2025)
- SDRs holdings, US dollar, per capita 0.0285 units per person (2025)
- SDRs holdings, SDR, annual growth rate -61.87 % change on previous year (2025)
- SDRs holdings, SDR, per unit of GDP 0 units per US$ of GDP (2025)
- SDRs holdings, SDR, per capita 0.0208 units per person (2025)
- IMF holdings of currency, US dollar, annual growth rate 4.98 % change on previous year (2025)
- IMF holdings of currency, US dollar, per unit of GDP 0.0087 units per US$ of GDP (2025)
Frequently asked questions
- What is vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita in Chad?
- Vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita in Chad was 68.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita recorded in Chad?
- The highest recorded value was 68.0% in 2024.
- What is the lowest vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita recorded in Chad?
- The lowest recorded value was 1.0% in 1983.
- How does Chad rank for vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita?
- Chad ranks 174th out of 194 countries with data for 2024.
- Is vaccination coverage against diphtheria, tetanus, and pertussis vs. gdp per capita rising or falling in Chad?
- Over the last ten years it is up 88.9%. The long-run trend across the full record is volatile.
- Where does this Chad data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Vaccination coverage against diphtheria, tetanus, and pertussis vs. GDP per capita. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.