How many years of comparable data are there for Oman and Portugal?

6 years are reported by both, from 1999 to 2013.

Where does this data come from?

UNESCO Institute for Statistics, published as Out-of-school rate for youth of upper secondary school age, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Oman vs Portugal: Out-of-school rate for youth of upper secondary school age, adjusted

Oman

1.55 GPIA

in 2018

Portugal

1.39 GPIA

in 2013

Oman rank

2nd

Portugal rank

5th

Out-of-school rate for youth of upper secondary school age, adjusted over time

Oman
Portugal

How they compare

Oman currently reports 1.55 GPIA against 1.39 GPIA in Portugal, a difference of 0.16 GPIA.

That makes Oman's figure about 1.1 times Portugal's.

The two have swapped places 1 time across 6 shared years of data; in 1999 it was Oman ahead.

Oman ranks 2nd and Portugal ranks 5th of 141 countries.

Across the 3 decades both report, Oman averaged higher in 2 and Portugal in 1.

Head to head by decade

Decade	Oman	Portugal	Difference	Ahead
1990s	1.01 GPIA	0.5345 GPIA	0.4767 GPIA	Oman
2000s	1.11 GPIA	0.7209 GPIA	0.3873 GPIA	Oman
2010s	0.7296 GPIA	1.39 GPIA	0.6648 GPIA	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher out-of-school rate for youth of upper secondary school age, adjusted, Oman or Portugal?: Oman, at 1.55 GPIA against 1.39 GPIA in Portugal as of 2018.
What is the difference in out-of-school rate for youth of upper secondary school age, adjusted between Oman and Portugal?: 0.16 GPIA, with Oman ahead.
How many years of comparable data are there for Oman and Portugal?: 6 years are reported by both, from 1999 to 2013.
How do Oman and Portugal rank globally for out-of-school rate for youth of upper secondary school age, adjusted?: Oman ranks 2nd and Portugal ranks 5th of 141 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Out-of-school rate for youth of upper secondary school age, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Oman vs Portugal: Out-of-school rate for youth of upper secondary school age, adjusted. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 14 September 2026, from https://reference.statizoid.com/compare/out-of-school-rate-for-youth-of-upper-secondary-school-age-adjusted-gender-parity-index/oman/portugal/

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<a href="https://reference.statizoid.com/compare/out-of-school-rate-for-youth-of-upper-secondary-school-age-adjusted-gender-parity-index/oman/portugal/">Oman vs Portugal: Out-of-school rate for youth of upper secondary school age, adjusted</a> — Statizoid

About this data

Indicator: Out-of-school rate for youth of upper secondary school age, adjusted gender parity index (GPIA)
Unit: GPIA
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 184 places, 2,951 data points, 1970–2019
Last refreshed: 04 September 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/