How many years of comparable data are there for Eritrea and Portugal?

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

Where does this data come from?

UNESCO Institute for Statistics, published as Population of the official entrance age to secondary general education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Eritrea vs Portugal: Population of the official entrance age to secondary general

Eritrea

100,491 number

in 2020

Portugal

99,883 number

in 2020

Eritrea rank

108th

Portugal rank

109th

Population of the official entrance age to secondary general over time

Eritrea
Portugal

How they compare

Eritrea currently reports 100,491 number against 99,883 number in Portugal, a difference of 608 number.

The two have swapped places 1 time across 51 shared years of data; in 1970 it was Portugal ahead.

Eritrea ranks 108th and Portugal ranks 109th of 205 countries.

Across the 6 decades both report, Eritrea averaged higher in 1 and Portugal in 5.

Head to head by decade

Decade	Eritrea	Portugal	Difference	Ahead
1970s	33,166 number	166,444 number	133,277 number	Portugal
1980s	44,908 number	169,564 number	124,656 number	Portugal
1990s	61,313 number	143,669 number	82,356 number	Portugal
2000s	71,854 number	111,412 number	39,558 number	Portugal
2010s	77,685 number	107,750 number	30,066 number	Portugal
2020s	100,491 number	99,883 number	608 number	Eritrea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population of the official entrance age to secondary general, Eritrea or Portugal?: Eritrea, at 100,491 number against 99,883 number in Portugal as of 2020.
What is the difference in population of the official entrance age to secondary general between Eritrea and Portugal?: 608 number, with Eritrea ahead.
How many years of comparable data are there for Eritrea and Portugal?: 51 years are reported by both, from 1970 to 2020.
How do Eritrea and Portugal rank globally for population of the official entrance age to secondary general?: Eritrea ranks 108th and Portugal ranks 109th of 205 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Population of the official entrance age to secondary general education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Eritrea vs Portugal: Population of the official entrance age to secondary general. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 14 September 2026, from https://reference.statizoid.com/compare/population-of-the-official-entrance-age-to-secondary-general-education-both-sexes-number/eritrea/portugal/

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<a href="https://reference.statizoid.com/compare/population-of-the-official-entrance-age-to-secondary-general-education-both-sexes-number/eritrea/portugal/">Eritrea vs Portugal: Population of the official entrance age to secondary general</a> — Statizoid

About this data

Indicator: Population of the official entrance age to secondary general education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 205 places, 10,014 data points, 1970–2020
Last refreshed: 04 September 2026

Population of the age-group theoretically corresponding to secondary general education as indicated by theoretical entrance age and duration.