Which has higher theoretical duration of lower secondary education, Democratic Republic of Congo or Samoa?

Democratic Republic of Congo, at 2 years against 2 years in Samoa as of 2025.

What is the difference in theoretical duration of lower secondary education between Democratic Republic of Congo and Samoa?

0 years, with Democratic Republic of Congo ahead.

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

56 years are reported by both, from 1970 to 2025.

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.

Democratic Republic of Congo vs Samoa: Theoretical duration of lower secondary education (years)

Democratic Republic of Congo

2 years

in 2025

Samoa

2 years

in 2025

Democratic Republic of Congo rank

205th

Samoa rank

205th

Theoretical duration of lower secondary education (years) over time

Democratic Republic of Congo
Samoa

How they compare

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

Across all 56 years both countries report, Samoa has been ahead every year.

Democratic Republic of Congo ranks 205th and Samoa ranks 205th of 221 countries.

Head to head by decade

Decade	Democratic Republic of Congo	Samoa	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, Democratic Republic of Congo or Samoa?: Democratic Republic of Congo, at 2 years against 2 years in Samoa as of 2025.
What is the difference in theoretical duration of lower secondary education between Democratic Republic of Congo and Samoa?: 0 years, with Democratic Republic of Congo ahead.
How many years of comparable data are there for Democratic Republic of Congo and Samoa?: 56 years are reported by both, from 1970 to 2025.
How do Democratic Republic of Congo and Samoa rank globally for theoretical duration of lower secondary education?: Democratic Republic of Congo ranks 205th and Samoa ranks 205th of 221 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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Democratic Republic of Congo vs Samoa: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 24 October 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years-2/congo-dem-rep/samoa/

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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-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 221 places, 11,823 data points, 1970–2025
Last refreshed: 18 October 2026

February 2026 Data Release