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

9 years are reported by both, from 1970 to 2016.

Where does this data come from?

UNESCO Institute for Statistics, published as UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Dominican Republic vs Portugal: UIS: Mean years of schooling (ISCED 1 or higher), population 25+

Dominican Republic

9.06

in 2016

Portugal

9.26

in 2018

Dominican Republic rank

67th

Portugal rank

66th

UIS: Mean years of schooling (ISCED 1 or higher), population 25+ over time

Dominican Republic
Portugal

How they compare

Portugal currently reports 9.26 against 9.06 in Dominican Republic, a difference of 0.2.

The two have swapped places 2 times across 9 shared years of data; in 1970 it was Portugal ahead.

Dominican Republic ranks 67th and Portugal ranks 66th of 93 countries.

Across the 3 decades both report, Dominican Republic averaged higher in 1 and Portugal in 2.

Head to head by decade

Decade	Dominican Republic	Portugal	Difference	Ahead
1970s	2.89	3.24	0.3467	Portugal
2000s	7.72	7.58	0.1337	Dominican Republic
2010s	7.81	8.62	0.8164	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher uis: mean years of schooling (isced 1 or higher), population 25+, Dominican Republic or Portugal?: Portugal, at 9.26 against 9.06 in Dominican Republic as of 2018.
What is the difference in uis: mean years of schooling (isced 1 or higher), population 25+ between Dominican Republic and Portugal?: 0.2, with Portugal ahead.
How many years of comparable data are there for Dominican Republic and Portugal?: 9 years are reported by both, from 1970 to 2016.
How do Dominican Republic and Portugal rank globally for uis: mean years of schooling (isced 1 or higher), population 25+?: Dominican Republic ranks 67th and Portugal ranks 66th of 93 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Dominican Republic vs Portugal: UIS: Mean years of schooling (ISCED 1 or higher), population 25+. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 16 September 2026, from https://reference.statizoid.com/compare/uis-mean-years-of-schooling-isced-1-or-higher-population-25-years-both-sexes/dominican-republic/portugal/

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<a href="https://reference.statizoid.com/compare/uis-mean-years-of-schooling-isced-1-or-higher-population-25-years-both-sexes/dominican-republic/portugal/">Dominican Republic vs Portugal: UIS: Mean years of schooling (ISCED 1 or higher), population 25+</a> — Statizoid

About this data

Indicator: UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, both sexes
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 93 places, 1,032 data points, 1970–2019
Last refreshed: 04 September 2026

Mean years of schooling (MYS) provides the average number of years of education (primary/ISCED 1 or higher) completed by a country’s adult population (25 years and older), excluding years spent repeating grades. For further information and specific calculation methods, visit the UNESCO Institute for Statistics website: http://www.uis.unesco.org/