Chad vs ECA: Island Economies (unsdcode:98115): School life expectancy, primary to tertiary, both sexes

Chad
7.14 years
in 2015
ECA: Island Economies (unsdcode:98115)
9.35 years
in 2020
Chad rank
178th
ECA: Island Economies (unsdcode:98115) rank
180th

School life expectancy, primary to tertiary, both sexes over time

  • Chad
  • ECA: Island Economies (unsdcode:98115)
246810197019952020

How they compare

ECA: Island Economies (unsdcode:98115) currently reports 9.35 years against 7.14 years in Chad, a difference of 2.21 years.

That makes ECA: Island Economies (unsdcode:98115)'s figure about 1.3 times Chad's.

Across all 23 years both countries report, ECA: Island Economies (unsdcode:98115) has been ahead every year.

Chad ranks 178th and ECA: Island Economies (unsdcode:98115) ranks 180th of 186 countries.

ECA: Island Economies (unsdcode:98115) has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Chad ECA: Island Economies (unsdcode:98115) Difference Ahead
1970s 2.08 years 6.55 years 4.47 years ECA: Island Economies (unsdcode:98115)
1980s 2.73 years 7.21 years 4.48 years ECA: Island Economies (unsdcode:98115)
1990s 4 years 6.26 years 2.26 years ECA: Island Economies (unsdcode:98115)
2000s 5.52 years 8.14 years 2.62 years ECA: Island Economies (unsdcode:98115)
2010s 7.12 years 9.88 years 2.76 years ECA: Island Economies (unsdcode:98115)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, primary to tertiary, both sexes, Chad or ECA: Island Economies (unsdcode:98115)?
ECA: Island Economies (unsdcode:98115), at 9.35 years against 7.14 years in Chad as of 2020.
What is the difference in school life expectancy, primary to tertiary, both sexes between Chad and ECA: Island Economies (unsdcode:98115)?
2.21 years, with ECA: Island Economies (unsdcode:98115) ahead.
How many years of comparable data are there for Chad and ECA: Island Economies (unsdcode:98115)?
23 years are reported by both, from 1971 to 2015.
How do Chad and ECA: Island Economies (unsdcode:98115) rank globally for school life expectancy, primary to tertiary, both sexes?
Chad ranks 178th and ECA: Island Economies (unsdcode:98115) ranks 180th of 186 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as School life expectancy, primary to tertiary, both sexes (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs ECA: Island Economies (unsdcode:98115): School life expectancy, primary to tertiary, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 08 September 2026, from https://education.statizoid.com/compare/school-life-expectancy-primary-to-tertiary-both-sexes-years-2/chad/eca-island-economies-unsdcode-98115/

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About this data

Indicator
School life expectancy, primary to tertiary, both sexes (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
407 places, 13,852 data points, 1970–2025
Last refreshed

February 2026 Data Release