Primary school life expectancy, adjusted gender parity index in Chad
Chad: Primary school life expectancy, adjusted gender parity index was 0.8616 index in 2024. ▲ Rising
Primary school life expectancy, adjusted gender parity index in Chad, 1971–2024
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.
Analysis
The most recent figure for primary school life expectancy, adjusted gender parity index in Chad is 0.8616 index, measured in 2024. That is the highest value across all 46 years on record.
Compared with earlier readings it is up 2.7% on the previous year and up 11.5% over ten years.
Over the whole period, primary school life expectancy, adjusted gender parity index in Chad peaked at 0.8616 index in 2024 and was at its lowest, 0.3353 index, in 1972.
That places Chad 208th out of 215 countries with data for 2024, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 46 years of available data.
Primary school life expectancy, adjusted gender parity index in Chad, year by year
| Year | index | Change |
|---|---|---|
| 1971 | 0.3371 index | — |
| 1972 | 0.3353 index | -0.5% |
| 1973 | 0.3535 index | +5.4% |
| 1974 | 0.3403 index | -3.7% |
| 1975 | 0.3564 index | +4.7% |
| 1976 | 0.3574 index | +0.3% |
| 1977 | 0.3598 index | +0.7% |
| 1985 | 0.3783 index | +5.2% |
| 1986 | 0.3946 index | +4.3% |
| 1987 | 0.3942 index | -0.1% |
| 1988 | 0.3946 index | +0.1% |
| 1989 | 0.421 index | +6.7% |
| 1990 | 0.4393 index | +4.4% |
| 1991 | 0.4512 index | +2.7% |
| 1992 | 0.474 index | +5.1% |
| 1993 | 0.4757 index | +0.4% |
| 1994 | 0.4813 index | +1.2% |
| 1995 | 0.4855 index | +0.9% |
| 1996 | 0.4956 index | +2.1% |
| 1997 | 0.5153 index | +4.0% |
| 1998 | 0.5418 index | +5.1% |
| 1999 | 0.5772 index | +6.5% |
| 2000 | 0.6035 index | +4.6% |
| 2001 | 0.6308 index | +4.5% |
| 2002 | 0.6453 index | +2.3% |
| 2003 | 0.6626 index | +2.7% |
| 2004 | 0.6666 index | +0.6% |
| 2005 | 0.6858 index | +2.9% |
| 2006 | 0.6894 index | +0.5% |
| 2007 | 0.7082 index | +2.7% |
| 2008 | 0.7144 index | +0.9% |
| 2009 | 0.7176 index | +0.4% |
| 2010 | 0.7429 index | +3.5% |
| 2011 | 0.7573 index | +1.9% |
| 2012 | 0.7698 index | +1.7% |
| 2013 | 0.7712 index | +0.2% |
| 2014 | 0.7729 index | +0.2% |
| 2015 | 0.7814 index | +1.1% |
| 2016 | 0.7841 index | +0.3% |
| 2017 | 0.7743 index | -1.3% |
| 2018 | 0.7943 index | +2.6% |
| 2019 | 0.7943 index | -0.0% |
| 2021 | 0.8164 index | +2.8% |
| 2022 | 0.8268 index | +1.3% |
| 2023 | 0.8392 index | +1.5% |
| 2024 | 0.8616 index | +2.7% |
Chad compared with similar countries
- Chad's 0.8616 index is below the median for low income countries, which is 0.9495 index, 91% of the median. (23 countries reporting)
- Chad's 0.8616 index is below the median for Sub-Saharan Africa, which is 0.9709 index, 89% of the median. (47 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.3485 index | 0.3353 index | 0.3598 index | 7 |
| 1980s | 0.3965 index | 0.3783 index | 0.421 index | 5 |
| 1990s | 0.4937 index | 0.4393 index | 0.5772 index | 10 |
| 2000s | 0.6724 index | 0.6035 index | 0.7176 index | 10 |
| 2010s | 0.7743 index | 0.7429 index | 0.7943 index | 10 |
| 2020s | 0.836 index | 0.8164 index | 0.8616 index | 4 |
Countries ranked near Chad
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 primary school life expectancy, adjusted gender parity index in Chad?
- Primary school life expectancy, adjusted gender parity index in Chad was 0.8616 index in 2024, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest primary school life expectancy, adjusted gender parity index recorded in Chad?
- The highest recorded value was 0.8616 index in 2024.
- What is the lowest primary school life expectancy, adjusted gender parity index recorded in Chad?
- The lowest recorded value was 0.3353 index in 1972.
- How does Chad rank for primary school life expectancy, adjusted gender parity index?
- Chad ranks 208th out of 215 countries with data for 2024.
- Is primary school life expectancy, adjusted gender parity index rising or falling in Chad?
- Over the last ten years it is up 11.5%. The long-run trend across the full record is rising.
- Where does this Chad data come from?
- The figures come from UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as part of Primary school life expectancy, adjusted gender parity index. Statizoid updates them automatically from the source API.
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About this data
An adjusted gender parity index of 1 indicates equality in the expected number of years a child of school entrance age is likely to spend in primary school between boys and girls. Values below 1 favor boys, and above 1 favor girls.