Chad vs Lao People's Democratic Republic: Theoretical duration of lower secondary education

Chad
4 years
in 2020
Lao People's Democratic Republic
4 years
in 2020
Chad rank
18th
Lao People's Democratic Republic rank
18th

Theoretical duration of lower secondary education over time

  • Chad
  • Lao People's Democratic Republic
01234197019952020

How they compare

Chad currently reports 4 years against 4 years in Lao People's Democratic Republic, a difference of 0 years.

The two have swapped places 2 times across 51 shared years of data; in 1970 it was Lao People's Democratic Republic ahead.

Chad ranks 18th and Lao People's Democratic Republic ranks 18th of 209 countries.

Chad has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Chad Lao People's Democratic Republic Difference Ahead
1970s 4 years 3.7 years 0.3 years Chad
1980s 4 years 3 years 1 years Chad
1990s 4 years 3 years 1 years Chad
2000s 4 years 3 years 1 years Chad
2010s 4 years 4 years 0 years
2020s 4 years 4 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of lower secondary education, Chad or Lao People's Democratic Republic?
Chad, at 4 years against 4 years in Lao People's Democratic Republic as of 2020.
What is the difference in theoretical duration of lower secondary education between Chad and Lao People's Democratic Republic?
0 years, with Chad ahead.
How many years of comparable data are there for Chad and Lao People's Democratic Republic?
51 years are reported by both, from 1970 to 2020.
How do Chad and Lao People's Democratic Republic rank globally for theoretical duration of lower secondary education?
Chad ranks 18th and Lao People's Democratic Republic ranks 18th of 209 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Theoretical duration of lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Lao People's Democratic Republic: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/chad/lao-pdr/

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About this data

Indicator
Theoretical duration of lower secondary education (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
209 places, 10,366 data points, 1970–2020
Last refreshed

Number of grades (years) in lower secondary education.