Pre-demographic dividend vs Tonga: Out-of-school rate for children of primary school age, adjusted

Pre-demographic dividend
1.24 GPIA
in 2019
Tonga
1.77 GPIA
in 1999
Pre-demographic dividend rank
5th
Tonga rank
6th

Out-of-school rate for children of primary school age, adjusted over time

  • Pre-demographic dividend
  • Tonga
0.511.52197019942019

How they compare

Tonga currently reports 1.77 GPIA against 1.24 GPIA in Pre-demographic dividend, a difference of 0.53 GPIA.

That makes Tonga's figure about 1.4 times Pre-demographic dividend's.

The two have swapped places 1 time across 9 shared years of data; in 1974 it was Pre-demographic dividend ahead.

Pre-demographic dividend ranks 5th and Tonga ranks 6th of 43 groups.

Pre-demographic dividend has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Pre-demographic dividend Tonga Difference Ahead
1970s 1.22 GPIA 1.02 GPIA 0.2045 GPIA Pre-demographic dividend
1980s 1.2 GPIA 0.7216 GPIA 0.4754 GPIA Pre-demographic dividend
1990s 1.19 GPIA 1.16 GPIA 0.0264 GPIA Pre-demographic dividend

Averages of every year both report within each decade.

Frequently asked questions

Which has higher out-of-school rate for children of primary school age, adjusted, Pre-demographic dividend or Tonga?
Tonga, at 1.77 GPIA against 1.24 GPIA in Pre-demographic dividend as of 1999.
What is the difference in out-of-school rate for children of primary school age, adjusted between Pre-demographic dividend and Tonga?
0.53 GPIA, with Tonga ahead.
How many years of comparable data are there for Pre-demographic dividend and Tonga?
9 years are reported by both, from 1974 to 1999.
How do Pre-demographic dividend and Tonga rank globally for out-of-school rate for children of primary school age, adjusted?
Pre-demographic dividend ranks 5th and Tonga ranks 6th of 43 groups.
Where does this data come from?
UNESCO Institute for Statistics, published as Out-of-school rate for children of primary 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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Pre-demographic dividend vs Tonga: Out-of-school rate for children of primary 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-children-of-primary-school-age-adjusted-gender-parity-index-gpia/pre-demographic-dividend/tonga/

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About this data

Indicator
Out-of-school rate for children of primary school age, adjusted gender parity index (GPIA)
Unit
GPIA
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
208 places, 5,055 data points, 1970–2020
Last refreshed

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/