Human Development Index groups in Tonga
Tonga: Human Development Index groups was 0.769 in 2023. ▲ Rising
Human Development Index groups in Tonga, 1990–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
In 2023, human development index groups in Tonga stood at 0.769. That is the highest value across all 34 years on record.
The figure is up 0.7% on the previous year and up 4.3% over ten years.
Over the whole period, human development index groups in Tonga peaked at 0.769 in 2023 and was at its lowest, 0.641, in 1990.
Tonga ranks 92nd of 192 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 34 years of available data.
Human Development Index groups in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 1990 | 0.641 | — |
| 1991 | 0.649 | +1.2% |
| 1992 | 0.654 | +0.8% |
| 1993 | 0.66 | +0.9% |
| 1994 | 0.67 | +1.5% |
| 1995 | 0.675 | +0.7% |
| 1996 | 0.678 | +0.4% |
| 1997 | 0.68 | +0.3% |
| 1998 | 0.685 | +0.7% |
| 1999 | 0.688 | +0.4% |
| 2000 | 0.688 | +0.0% |
| 2001 | 0.693 | +0.7% |
| 2002 | 0.7 | +1.0% |
| 2003 | 0.703 | +0.4% |
| 2004 | 0.705 | +0.3% |
| 2005 | 0.706 | +0.1% |
| 2006 | 0.708 | +0.3% |
| 2007 | 0.71 | +0.3% |
| 2008 | 0.717 | +1.0% |
| 2009 | 0.718 | +0.1% |
| 2010 | 0.724 | +0.8% |
| 2011 | 0.731 | +1.0% |
| 2012 | 0.735 | +0.5% |
| 2013 | 0.737 | +0.3% |
| 2014 | 0.74 | +0.4% |
| 2015 | 0.743 | +0.4% |
| 2016 | 0.749 | +0.8% |
| 2017 | 0.755 | +0.8% |
| 2018 | 0.759 | +0.5% |
| 2019 | 0.763 | +0.5% |
| 2020 | 0.765 | +0.3% |
| 2021 | 0.763 | -0.3% |
| 2022 | 0.764 | +0.1% |
| 2023 | 0.769 | +0.7% |
Tonga compared with similar countries
- Tonga's 0.769 is above the median for upper middle income countries, which is 0.7675, 1.0× the median. (58 countries reporting)
- Tonga's 0.769 is above the median for East Asia & Pacific, which is 0.732, 1.1× the median. (30 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.668 | 0.641 | 0.688 | 10 |
| 2000s | 0.7048 | 0.688 | 0.718 | 10 |
| 2010s | 0.7436 | 0.724 | 0.763 | 10 |
| 2020s | 0.7652 | 0.763 | 0.769 | 4 |
Countries ranked near Tonga
More reference data data for Tonga
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0092 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0197 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0197 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0353 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0269 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0446 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.1068 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 0.0799 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure applied 9.35 (2050)
Frequently asked questions
- What is human development index groups in Tonga?
- Human development index groups in Tonga was 0.769 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest human development index groups recorded in Tonga?
- The highest recorded value was 0.769 in 2023.
- What is the lowest human development index groups recorded in Tonga?
- The lowest recorded value was 0.641 in 1990.
- How does Tonga rank for human development index groups?
- Tonga ranks 92nd out of 192 countries with data for 2023.
- Is human development index groups rising or falling in Tonga?
- Over the last ten years it is up 4.3%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Human Development Index groups. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The Human Development Index (HDI) is a summary measure of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living. Higher values indicate higher human development.