How many years of comparable data are there for Lower middle income and Tonga?

8 years are reported by both, from 1976 to 2023.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Literacy rate, youth (ages 15-24), gender parity index (GPI). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Lower middle income vs Tonga: Literacy rate, youth (ages 15-24), gender parity index

Lower middle income

0.97 GPI

in 2024

Tonga

1 GPI

in 2023

Lower middle income rank

25th

Tonga rank

24th

Literacy rate, youth (ages 15-24), gender parity index over time

Lower middle income
Tonga

How they compare

Tonga currently reports 1 GPI against 0.97 GPI in Lower middle income, a difference of 0.03 GPI.

Across all 8 years both countries report, Tonga has been ahead every year.

Lower middle income ranks 25th and Tonga ranks 24th of 40 groups.

Tonga has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Lower middle income	Tonga	Difference	Ahead
1970s	0.64 GPI	1 GPI	0.36 GPI	Tonga
1990s	0.81 GPI	1 GPI	0.19 GPI	Tonga
2000s	0.88 GPI	1 GPI	0.12 GPI	Tonga
2010s	0.9475 GPI	1 GPI	0.0525 GPI	Tonga
2020s	0.97 GPI	1 GPI	0.03 GPI	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher literacy rate, youth (ages 15-24), gender parity index, Lower middle income or Tonga?: Tonga, at 1 GPI against 0.97 GPI in Lower middle income as of 2023.
What is the difference in literacy rate, youth (ages 15-24), gender parity index between Lower middle income and Tonga?: 0.03 GPI, with Tonga ahead.
How many years of comparable data are there for Lower middle income and Tonga?: 8 years are reported by both, from 1976 to 2023.
How do Lower middle income and Tonga rank globally for literacy rate, youth (ages 15-24), gender parity index?: Lower middle income ranks 25th and Tonga ranks 24th of 40 groups.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Literacy rate, youth (ages 15-24), gender parity index (GPI). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Lower middle income vs Tonga: Literacy rate, youth (ages 15-24), gender parity index. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 10 September 2026, from https://education.statizoid.com/compare/literacy-rate-youth-ages-15-24-gender-parity-index-gpi/lower-middle-income/tonga/

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<a href="https://education.statizoid.com/compare/literacy-rate-youth-ages-15-24-gender-parity-index-gpi/lower-middle-income/tonga/">Lower middle income vs Tonga: Literacy rate, youth (ages 15-24), gender parity index</a> — Statizoid

About this data

Indicator: Literacy rate, youth (ages 15-24), gender parity index (GPI)
Unit: GPI
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 136 places, 2,766 data points, 1974–2024
Last refreshed: 03 September 2026

Gender parity index for youth literacy rate is the ratio of females to males ages 15-24 who can both read and write with understanding a short simple statement about their everyday life.