How many years of comparable data are there for Chile and Democratic Republic of Congo?

51 years are reported by both, from 1970 to 2020.

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.

Chile vs Democratic Republic of Congo: Theoretical duration of lower secondary education

Chile

2 years

in 2020

Democratic Republic of Congo

2 years

in 2020

Chile rank

188th

Democratic Republic of Congo rank

188th

Theoretical duration of lower secondary education over time

Chile
Democratic Republic of Congo

How they compare

Chile currently reports 2 years against 2 years in Democratic Republic of Congo, a difference of 0 years.

Across all 51 years both countries report, Democratic Republic of Congo has been ahead every year.

Chile ranks 188th and Democratic Republic of Congo ranks 188th of 209 countries.

Head to head by decade

Decade	Chile	Democratic Republic of Congo	Ahead
1970s	2 years	2 years	—
1980s	2 years	2 years	—
1990s	2 years	2 years	—
2000s	2 years	2 years	—
2010s	2 years	2 years	—
2020s	2 years	2 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of lower secondary education, Chile or Democratic Republic of Congo?: Chile, at 2 years against 2 years in Democratic Republic of Congo as of 2020.
What is the difference in theoretical duration of lower secondary education between Chile and Democratic Republic of Congo?: 0 years, with Chile ahead.
How many years of comparable data are there for Chile and Democratic Republic of Congo?: 51 years are reported by both, from 1970 to 2020.
How do Chile and Democratic Republic of Congo rank globally for theoretical duration of lower secondary education?: Chile ranks 188th and Democratic Republic of Congo ranks 188th 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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Chile vs Democratic Republic of Congo: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 28 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/chile/congo-dem-rep/

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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: 21 August 2026

Number of grades (years) in lower secondary education.