Persistence to grade 5, total in Tonga

Tonga: Persistence to grade 5, total was 91.3% in 2019. ▬ Flat

Latest (2019)
91.3%
World rank
86th
of 164 countries
All-time high
95.7%
in 1983
All-time low
84.0%
in 1992
Years of data
9
1977–2019

Persistence to grade 5, total in Tonga, 1977–2019

0204060801001977199820191977: 91.3 % of cohort1978: 91.9 % of cohort1983: 95.7 % of cohort1985: 91.4 % of cohort1992: 84 % of cohort2000: 92.5 % of cohort2004: 89.1 % of cohort2005: 91.6 % of cohort2019: 91.3 % of cohort

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in % of cohort.

Analysis

In 2019, persistence to grade 5, total in Tonga stood at 91.3%.

That represents a change of down 0.3% over ten years.

Over the whole period, persistence to grade 5, total in Tonga peaked at 95.7% in 1983 and was at its lowest, 84.0%, in 1992.

That places Tonga 86th out of 164 countries with data for 2019, putting it in the middle of the range.

Persistence to grade 5, total in Tonga, year by year

Annual values for Persistence to grade 5, total (% of cohort) in Tonga, 1977 to 2019.
Year % of cohort Change
1977 91.3%
1978 91.9% +0.7%
1983 95.7% +4.1%
1985 91.4% -4.6%
1992 84.0% -8.1%
2000 92.5% +10.1%
2004 89.1% -3.7%
2005 91.6% +2.8%
2019 91.3% -0.3%

Averages by decade

DecadeAverage LowestHighest Years
1970s 91.6% 91.3% 91.9% 2
1980s 93.6% 91.4% 95.7% 2
1990s 84.0% 84.0% 84.0% 1
2000s 91.0% 89.1% 92.5% 3
2010s 91.3% 91.3% 91.3% 1

Countries ranked near Tonga

  1. 83 Syrian Arab Republic 91.8% compare
  2. 84 Namibia 91.6% compare
  3. 85 Colombia 91.3% compare
  4. 87 El Salvador 90.9% compare
  5. 88 Guatemala 90.7% compare
  6. 89 Venezuela, Bolivarian Republic of 90.5% compare

See the full ranking of 176 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is persistence to grade 5, total in Tonga?
Persistence to grade 5, total in Tonga was 91.3% in 2019, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest persistence to grade 5, total recorded in Tonga?
The highest recorded value was 95.7% in 1983.
What is the lowest persistence to grade 5, total recorded in Tonga?
The lowest recorded value was 84.0% in 1992.
How does Tonga rank for persistence to grade 5, total?
Tonga ranks 86th out of 164 countries with data for 2019.
Is persistence to grade 5, total rising or falling in Tonga?
Over the last ten years it is down 0.3%. The long-run trend across the full record is flat.
Where does this Tonga data come from?
The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Persistence to grade 5, total (% of cohort). Statizoid updates them automatically from the source API.

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Persistence to grade 5, total in Tonga. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 25 August 2026, from https://education.statizoid.com/stat/persistence-to-grade-5-total-percent-of-cohort/tonga/

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About this data

Indicator
Persistence to grade 5, total (% of cohort)
Unit
% of cohort
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
176 places, 3,790 data points, 1970–2023
Last refreshed

Persistence to grade 5 (percentage of cohort reaching grade 5) is the share of children enrolled in the first grade of primary school who eventually reach grade 5. The estimate is based on the reconstructed cohort method.