Share of one-year-olds who received the inactivated polio vaccine in Chad
Chad: Share of one-year-olds who received the inactivated polio vaccine was 67.0% in 2024. ▲ Rising
Share of one-year-olds who received the inactivated polio vaccine in Chad, 2015–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who received the inactivated polio vaccine in Chad stood at 67.0%. That is the highest value across all 10 years on record.
That represents a change of up 139.3% over ten years.
Over the whole period, share of one-year-olds who received the inactivated polio vaccine in Chad peaked at 67.0% in 2023 and was at its lowest, 28.0%, in 2015.
That places Chad 178th out of 194 countries with data for 2024, putting it in the bottom quarter.
Share of one-year-olds who received the inactivated polio vaccine in Chad, year by year
| Year | % | Change |
|---|---|---|
| 2015 | 28.0% | — |
| 2016 | 41.0% | +46.4% |
| 2017 | 41.0% | +0.0% |
| 2018 | 49.0% | +19.5% |
| 2019 | 51.0% | +4.1% |
| 2020 | 54.0% | +5.9% |
| 2021 | 63.0% | +16.7% |
| 2022 | 66.0% | +4.8% |
| 2023 | 67.0% | +1.5% |
| 2024 | 67.0% | +0.0% |
Chad compared with similar countries
- Chad's 67.0% is below the median for low income countries, which is 76.0%, 88% of the median. (25 countries reporting)
- Chad's 67.0% is below the median for Sub-Saharan Africa, which is 81.5%, 82% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 42.0% | 28.0% | 51.0% | 5 |
| 2020s | 63.4% | 54.0% | 67.0% | 5 |
Countries ranked near Chad
- 175 Bolivia 68.0% compare
- 175 Equatorial Guinea 68.0% compare
- 175 Guinea-Bissau 68.0% compare
- 178 Nigeria 67.0% compare
- 178 South Sudan 67.0% compare
- 178 Venezuela 67.0% compare
More health data for Chad
- Un projection of annual infant deaths, annual growth rate -0.9964 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.6578 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,071 deaths per 1,000 people (2090)
- Number of infants who die before age 1 41,435 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 245 (2025)
- Population ages 00-04, female, annual growth rate 3.76 % 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 0.0898 units per person (2025)
- Population ages 00-04, male, annual growth rate 3.77 % 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 share of one-year-olds who received the inactivated polio vaccine in Chad?
- Share of one-year-olds who received the inactivated polio vaccine in Chad was 67.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds who received the inactivated polio vaccine recorded in Chad?
- The highest recorded value was 67.0% in 2023.
- What is the lowest share of one-year-olds who received the inactivated polio vaccine recorded in Chad?
- The lowest recorded value was 28.0% in 2015.
- How does Chad rank for share of one-year-olds who received the inactivated polio vaccine?
- Chad ranks 178th out of 194 countries with data for 2024.
- Is share of one-year-olds who received the inactivated polio vaccine rising or falling in Chad?
- Over the last ten years it is up 139.3%. The long-run trend across the full record is rising.
- 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 Share of one-year-olds who received the inactivated polio vaccine. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.