Survival rate to Grade 4 of primary education, adjusted gender parity in Tonga
Tonga: Survival rate to Grade 4 of primary education, adjusted gender parity was 0.9926 GPIA in 2019. ▬ Flat
Latest (2019)
0.9926 GPIA
World rank
146th
of 170 countries
All-time high
1.06 GPIA
in 2004
All-time low
0.9206 GPIA
in 1985
Years of data
9
1977–2019
Survival rate to Grade 4 of primary education, adjusted gender parity in Tonga, 1977–2019
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
Tonga recorded 0.9926 GPIA for survival rate to grade 4 of primary education, adjusted gender parity in 2019.
Compared with earlier readings it is down 0.5% over ten years.
Over the whole period, survival rate to grade 4 of primary education, adjusted gender parity in Tonga peaked at 1.06 GPIA in 2004 and was at its lowest, 0.9206 GPIA, in 1985.
Tonga ranks 146th of 170 countries on this measure, in the bottom quarter.
Survival rate to Grade 4 of primary education, adjusted gender parity in Tonga, year by year
| Year | GPIA | Change |
|---|---|---|
| 1977 | 1.04 GPIA | — |
| 1978 | 0.9921 GPIA | -4.5% |
| 1983 | 0.9749 GPIA | -1.7% |
| 1985 | 0.9206 GPIA | -5.6% |
| 1992 | 0.9618 GPIA | +4.5% |
| 2000 | 1.02 GPIA | +6.0% |
| 2004 | 1.06 GPIA | +4.2% |
| 2005 | 0.9976 GPIA | -6.0% |
| 2019 | 0.9926 GPIA | -0.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1.02 GPIA | 0.9921 GPIA | 1.04 GPIA | 2 |
| 1980s | 0.9477 GPIA | 0.9206 GPIA | 0.9749 GPIA | 2 |
| 1990s | 0.9618 GPIA | 0.9618 GPIA | 0.9618 GPIA | 1 |
| 2000s | 1.03 GPIA | 0.9976 GPIA | 1.06 GPIA | 3 |
| 2010s | 0.9926 GPIA | 0.9926 GPIA | 0.9926 GPIA | 1 |
Countries ranked near Tonga
- 143 Iceland 0.9933 GPIA compare
- 144 Dominican Republic 0.9932 GPIA compare
- 145 Oman 0.993 GPIA compare
- 147 Palestine, State of 0.9922 GPIA compare
- 148 Singapore 0.9916 GPIA compare
- 149 Mozambique 0.9889 GPIA compare
More education data for Tonga
- Teachers in secondary education, both sexes (number), gaps filled 1,086 (2015)
- Repeaters in primary education, all grades, both sexes (number), gaps 20 (2024)
- Enrolment in pre-primary education, male (number), gaps filled 1,228 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 1,164 (2024)
- Secondary education, pupils, gaps filled 16,132 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 15,644 (2024)
- Primary education, pupils, annual growth rate -2.92 % change on previous year (2024)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2024)
- Primary education, pupils, per capita 0.1502 units per person (2024)
Frequently asked questions
- What is survival rate to grade 4 of primary education, adjusted gender parity in Tonga?
- Survival rate to grade 4 of primary education, adjusted gender parity in Tonga was 0.9926 GPIA in 2019, according to UNESCO Institute for Statistics.
- What is the highest survival rate to grade 4 of primary education, adjusted gender parity recorded in Tonga?
- The highest recorded value was 1.06 GPIA in 2004.
- What is the lowest survival rate to grade 4 of primary education, adjusted gender parity recorded in Tonga?
- The lowest recorded value was 0.9206 GPIA in 1985.
- How does Tonga rank for survival rate to grade 4 of primary education, adjusted gender parity?
- Tonga ranks 146th out of 170 countries with data for 2019.
- Is survival rate to grade 4 of primary education, adjusted gender parity rising or falling in Tonga?
- Over the last ten years it is down 0.5%. The long-run trend across the full record is flat.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Survival rate to Grade 4 of primary education, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 9 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release