How many years of comparable data are there for Luxembourg and Spain?

6 years are reported by both, from 2000 to 2015.

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 reading, adjusted native parity index (NPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Luxembourg vs Spain: Proportion of students at the end of lower secondary education

Luxembourg

0.8046 NPIA

in 2018

Spain

0.8279 NPIA

in 2015

Luxembourg rank

23rd

Spain rank

21st

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

Luxembourg
Spain

How they compare

Spain currently reports 0.8279 NPIA against 0.8046 NPIA in Luxembourg, a difference of 0.0233 NPIA.

The two have swapped places 2 times across 6 shared years of data; in 2000 it was Spain ahead.

Luxembourg ranks 23rd and Spain ranks 21st of 44 countries.

Across the 2 decades both report, Luxembourg averaged higher in 1 and Spain in 1.

Head to head by decade

Decade	Luxembourg	Spain	Difference	Ahead
2000s	0.7106 NPIA	0.7912 NPIA	0.0805 NPIA	Spain
2010s	0.8201 NPIA	0.8155 NPIA	0.0045 NPIA	Luxembourg

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, Luxembourg or Spain?: Spain, at 0.8279 NPIA against 0.8046 NPIA in Luxembourg as of 2015.
What is the difference in proportion of students at the end of lower secondary education between Luxembourg and Spain?: 0.0233 NPIA, with Spain ahead.
How many years of comparable data are there for Luxembourg and Spain?: 6 years are reported by both, from 2000 to 2015.
How do Luxembourg and Spain rank globally for proportion of students at the end of lower secondary education?: Luxembourg ranks 23rd and Spain ranks 21st of 44 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 reading, adjusted native parity index (NPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Luxembourg vs Spain: Proportion of students at the end of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 05 September 2026, from https://reference.statizoid.com/compare/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-25/luxembourg/spain/

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About this data

Indicator: Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in reading, adjusted native parity index (NPIA)
Unit: NPIA
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 44 places, 280 data points, 2000–2018
Last refreshed: 04 September 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/