How many years of comparable data are there for Samoa and Tonga?

6 years are reported by both, from 1998 to 2015.

Where does this data come from?

UNESCO Institute for Statistics, published as Proportion of 15-24 year-olds enrolled in vocational education, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Samoa vs Tonga: Proportion of 15-24 year-olds enrolled in vocational education

Samoa

0 GPIA

in 2016

Tonga

0.1918 GPIA

in 2015

Samoa rank

130th

Tonga rank

127th

Proportion of 15-24 year-olds enrolled in vocational education over time

Samoa
Tonga

How they compare

Tonga currently reports 0.1918 GPIA against 0 GPIA in Samoa, a difference of 0.1918 GPIA.

Across all 6 years both countries report, Tonga has been ahead every year.

Samoa ranks 130th and Tonga ranks 127th of 161 countries.

Tonga has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Tonga	Difference	Ahead
1990s	1.09 GPIA	1.09 GPIA	Tonga
2000s	0.8437 GPIA	0.8437 GPIA	Tonga
2010s	0.1139 GPIA	0.1139 GPIA	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of 15-24 year-olds enrolled in vocational education, Samoa or Tonga?: Tonga, at 0.1918 GPIA against 0 GPIA in Samoa as of 2015.
What is the difference in proportion of 15-24 year-olds enrolled in vocational education between Samoa and Tonga?: 0.1918 GPIA, with Tonga ahead.
How many years of comparable data are there for Samoa and Tonga?: 6 years are reported by both, from 1998 to 2015.
How do Samoa and Tonga rank globally for proportion of 15-24 year-olds enrolled in vocational education?: Samoa ranks 130th and Tonga ranks 127th of 161 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Proportion of 15-24 year-olds enrolled in vocational education, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Samoa vs Tonga: Proportion of 15-24 year-olds enrolled in vocational education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 02 September 2026, from https://reference.statizoid.com/compare/proportion-of-15-24-year-olds-enrolled-in-vocational-education-adjusted-gender-parity/samoa/tonga/

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<a href="https://reference.statizoid.com/compare/proportion-of-15-24-year-olds-enrolled-in-vocational-education-adjusted-gender-parity/samoa/tonga/">Samoa vs Tonga: Proportion of 15-24 year-olds enrolled in vocational education</a> — Statizoid

About this data

Indicator: Proportion of 15-24 year-olds enrolled in vocational education, adjusted gender parity index (GPIA)
Unit: GPIA
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 204 places, 4,342 data points, 1970–2019
Last refreshed: 21 August 2026

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