How many years of comparable data are there for Denmark and Iceland?

7 years are reported by both, from 2000 to 2018.

Where does this data come from?

UNESCO Institute for Statistics, published as Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index (NPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Denmark vs Iceland: Proportion of students at the end of lower secondary education

Denmark

0.7728 NPIA

in 2018

Iceland

0.7681 NPIA

in 2018

Denmark rank

25th

Iceland rank

28th

Proportion of students at the end of lower secondary education over time

Denmark
Iceland

How they compare

Denmark currently reports 0.7728 NPIA against 0.7681 NPIA in Iceland, a difference of 0.0047 NPIA.

The two have swapped places 3 times across 7 shared years of data; in 2000 it was Iceland ahead.

Denmark ranks 25th and Iceland ranks 28th of 43 countries.

Iceland has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Denmark	Iceland	Difference	Ahead
2000s	0.7474 NPIA	0.8137 NPIA	0.0663 NPIA	Iceland
2010s	0.7319 NPIA	0.741 NPIA	0.0091 NPIA	Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of students at the end of lower secondary education, Denmark or Iceland?: Denmark, at 0.7728 NPIA against 0.7681 NPIA in Iceland as of 2018.
What is the difference in proportion of students at the end of lower secondary education between Denmark and Iceland?: 0.0047 NPIA, with Denmark ahead.
How many years of comparable data are there for Denmark and Iceland?: 7 years are reported by both, from 2000 to 2018.
How do Denmark and Iceland rank globally for proportion of students at the end of lower secondary education?: Denmark ranks 25th and Iceland ranks 28th of 43 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index (NPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Denmark vs Iceland: Proportion of students at the end of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 04 September 2026, from https://reference.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-11/denmark/iceland/

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<a href="https://reference.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-11/denmark/iceland/">Denmark vs Iceland: Proportion of students at the end of lower secondary education</a> — Statizoid

About this data

Indicator: Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index (NPIA)
Unit: NPIA
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 43 places, 274 data points, 1995–2018
Last refreshed: 21 August 2026

The Adjusted Native Parity Index (NPIA) is calculated by dividing the immigrant value for the indicator by the non-immigrant value for the indicator. If the resulting value exceeds 1, the ratio is inverted and subtracted from 2. The adjusted native parity index is symmetrical around 1 and lies in the range 0-2. An adjusted NPI equal to 1 indicates parity between immigrants and non-immigrants. In general, a value less than 1 indicates disparity in favor of non-immigrants and a value greater than 1 indicates disparity in favor of immigrants. For more information, consult the UNESCO Institute for Statistics: http://uis.unesco.org/