School life expectancy, secondary, both sexes (years) (life both) in Chad
Chad: School life expectancy, secondary, both sexes (years) (life both) was 1.67 years in 2024. ◆ Volatile
School life expectancy, secondary, both sexes in Chad, 1971–2024
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Chad recorded 1.67 years for school life expectancy, secondary, both sexes in 2024.
Compared with earlier readings it is down 3.8% on the previous year and up 4.2% over ten years.
Over the whole period, school life expectancy, secondary, both sexes in Chad peaked at 1.73 years in 2023 and was at its lowest, 0.1302 years, in 1971.
Chad ranks 209th of 214 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
School life expectancy, secondary, both sexes (years) (life both) in Chad, year by year
| Year | years | Change |
|---|---|---|
| 1971 | 0.1302 years | — |
| 1972 | 0.1404 years | +7.9% |
| 1974 | 0.1473 years | +4.9% |
| 1975 | 0.1608 years | +9.2% |
| 1976 | 0.1819 years | +13.1% |
| 1977 | 0.2128 years | +17.0% |
| 1985 | 0.3978 years | +86.9% |
| 1987 | 0.357 years | -10.2% |
| 1989 | 0.37 years | +3.7% |
| 1990 | 0.4253 years | +14.9% |
| 1994 | 0.4967 years | +16.8% |
| 1995 | 0.5686 years | +14.5% |
| 1996 | 0.5884 years | +3.5% |
| 1997 | 0.6113 years | +3.9% |
| 1998 | 0.7292 years | +19.3% |
| 1999 | 0.7684 years | +5.4% |
| 2000 | 0.8296 years | +8.0% |
| 2001 | 0.9674 years | +16.6% |
| 2002 | 1.03 years | +6.3% |
| 2003 | 1.04 years | +1.0% |
| 2004 | 1.07 years | +2.6% |
| 2005 | 1.09 years | +2.1% |
| 2006 | 1.11 years | +2.2% |
| 2007 | 1.28 years | +15.3% |
| 2008 | 1.46 years | +13.7% |
| 2009 | 1.59 years | +9.4% |
| 2010 | 1.57 years | -1.7% |
| 2011 | 1.6 years | +2.0% |
| 2012 | 1.55 years | -3.1% |
| 2013 | 1.72 years | +11.0% |
| 2014 | 1.6 years | -6.9% |
| 2015 | 1.61 years | +0.4% |
| 2016 | 1.62 years | +0.9% |
| 2017 | 1.48 years | -8.6% |
| 2018 | 1.43 years | -3.2% |
| 2019 | 1.46 years | +1.9% |
| 2021 | 1.66 years | +13.6% |
| 2023 | 1.73 years | +4.5% |
| 2024 | 1.67 years | -3.8% |
Chad compared with similar countries
- Chad's 1.67 years is below the median for low income countries, which is 2.3 years, 72% of the median. (23 countries reporting)
- Chad's 1.67 years is below the median for Sub-Saharan Africa, which is 3.05 years, 55% of the median. (47 countries reporting)
Biggest year-on-year movements
Years where School life expectancy, secondary, both sexes (years) (life both) 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 |
|---|---|---|---|
| 1985 | +86.9% | 0.2128 years | 0.3978 years |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.1623 years | 0.1302 years | 0.2128 years | 6 |
| 1980s | 0.3749 years | 0.357 years | 0.3978 years | 3 |
| 1990s | 0.5983 years | 0.4253 years | 0.7684 years | 7 |
| 2000s | 1.15 years | 0.8296 years | 1.59 years | 10 |
| 2010s | 1.56 years | 1.43 years | 1.72 years | 10 |
| 2020s | 1.69 years | 1.66 years | 1.73 years | 3 |
Countries ranked near Chad
More education data for Chad
- Teachers in secondary education, both sexes (number), gaps filled 23,874 (2024)
- Repeaters in primary education, all grades, both sexes (number), gaps 383,767 (2022)
- Enrolment in pre-primary education, male (number), gaps filled 19,968 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 18,239 (2024)
- Secondary education, pupils, gaps filled 764,990 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 3.05 million (2024)
- Primary education, pupils, annual growth rate 3.18 % change on previous year (2024)
- Primary education, pupils, per unit of GDP 0.0002 units per US$ of GDP (2024)
- Primary education, pupils, per capita 0.1502 units per person (2024)
Frequently asked questions
- What is school life expectancy, secondary, both sexes in Chad?
- School life expectancy, secondary, both sexes in Chad was 1.67 years in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, secondary, both sexes recorded in Chad?
- The highest recorded value was 1.73 years in 2023.
- What is the lowest school life expectancy, secondary, both sexes recorded in Chad?
- The lowest recorded value was 0.1302 years in 1971.
- How does Chad rank for school life expectancy, secondary, both sexes?
- Chad ranks 209th out of 214 countries with data for 2024.
- Is school life expectancy, secondary, both sexes rising or falling in Chad?
- Over the last ten years it is up 4.2%. The long-run trend across the full record is volatile.
- Where does this Chad data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, secondary, both sexes (years). Statizoid updates them automatically from the source API.
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About this data
February 2026 Data Release