Spain vs Tonga: Completion rate, upper secondary education, adjusted gender parity

Spain
1.16 modelled data
in 2025
Tonga
1.14 modelled data
in 2025
Spain rank
43rd
Tonga rank
45th

Completion rate, upper secondary education, adjusted gender parity over time

  • Spain
  • Tonga
00.250.50.7511.2198120032025

How they compare

Spain currently reports 1.16 modelled data against 1.14 modelled data in Tonga, a difference of 0.02 modelled data.

The two have swapped places 3 times across 45 shared years of data; in 1981 it was Tonga ahead.

Spain ranks 43rd and Tonga ranks 45th of 164 countries.

Across the 5 decades both report, Spain averaged higher in 4 and Tonga in 1.

Head to head by decade

Decade Spain Tonga Difference Ahead
1980s 1.02 modelled data 1.04 modelled data 0.0173 modelled data Tonga
1990s 1.12 modelled data 1.1 modelled data 0.0223 modelled data Spain
2000s 1.18 modelled data 1.13 modelled data 0.0478 modelled data Spain
2010s 1.16 modelled data 1.14 modelled data 0.0163 modelled data Spain
2020s 1.15 modelled data 1.15 modelled data 0.0071 modelled data Spain

Averages of every year both report within each decade.

Frequently asked questions

Which has higher completion rate, upper secondary education, adjusted gender parity, Spain or Tonga?
Spain, at 1.16 modelled data against 1.14 modelled data in Tonga as of 2025.
What is the difference in completion rate, upper secondary education, adjusted gender parity between Spain and Tonga?
0.02 modelled data, with Spain ahead.
How many years of comparable data are there for Spain and Tonga?
45 years are reported by both, from 1981 to 2025.
How do Spain and Tonga rank globally for completion rate, upper secondary education, adjusted gender parity?
Spain ranks 43rd and Tonga ranks 45th of 164 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Completion rate, upper secondary education, adjusted gender parity index (GPIA) (modelled data). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Spain vs Tonga: Completion rate, upper secondary education, adjusted gender parity. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 19 August 2026, from https://education.statizoid.com/compare/completion-rate-upper-secondary-education-adjusted-gender-parity-index-gpia-modelled-data/spain/tonga/

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About this data

Indicator
Completion rate, upper secondary education, adjusted gender parity index (GPIA) (modelled data)
Unit
modelled data
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
164 places, 7,240 data points, 1981–2025
Last refreshed

February 2026 Data Release