Slovakia vs Tonga: Gender Development Index

Slovakia

0.999

in 2023

Tonga

0.998

in 2023

Slovakia rank

31st

Tonga rank

33rd

Gender Development Index over time

Slovakia
Tonga

How they compare

Slovakia currently reports 0.999 against 0.998 in Tonga, a difference of 0.001.

The two have swapped places 2 times across 29 shared years of data; in 1995 it was Slovakia ahead.

Slovakia ranks 31st and Tonga ranks 33rd of 179 countries.

Individual pages

Gender Development Index in Slovakia
Gender Development Index in Tonga
Full country ranking

About this data

Indicator: Gender Development Index
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 183 places, 4,929 data points, 1990–2023
Last refreshed: 07 August 2026

The Gender Development Index (GDI) measures gender inequalities in the achievement of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living.