Liberia vs Portugal: Theoretical duration of secondary education (years)

Liberia
6 years
in 2025
Portugal
6 years
in 2025
Liberia rank
99th
Portugal rank
99th

Theoretical duration of secondary education (years) over time

  • Liberia
  • Portugal
0246197019972025

How they compare

Liberia currently reports 6 years against 6 years in Portugal, a difference of 0 years.

The two have swapped places 1 time across 56 shared years of data; in 1970 it was Liberia ahead.

Liberia ranks 99th and Portugal ranks 99th of 221 countries.

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

Head to head by decade

Decade Liberia Portugal Difference Ahead
1970s 6 years 5 years 1 years Liberia
1980s 6 years 5.9 years 0.1 years Liberia
1990s 6 years 6 years 0 years —
2000s 6 years 6 years 0 years —
2010s 6 years 6 years 0 years —
2020s 6 years 6 years 0 years —

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of secondary education, Liberia or Portugal?
Liberia, at 6 years against 6 years in Portugal as of 2025.
What is the difference in theoretical duration of secondary education between Liberia and Portugal?
0 years, with Liberia ahead.
How many years of comparable data are there for Liberia and Portugal?
56 years are reported by both, from 1970 to 2025.
How do Liberia and Portugal rank globally for theoretical duration of secondary education?
Liberia ranks 99th and Portugal ranks 99th of 221 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Theoretical duration of secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Liberia vs Portugal: Theoretical duration of secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 24 October 2026, from https://education.statizoid.com/compare/theoretical-duration-of-secondary-education-years/liberia/portugal/

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About this data

Indicator
Theoretical duration of 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

February 2026 Data Release