Control of Corruption: Upper bound of the 90% confidence in Tonga
Tonga: Control of Corruption: Upper bound of the 90% confidence was 50.1% in 2025. ▲ Rising
Control of Corruption - Upper bound of the 90% confidence interval in Tonga, 2004–2025
Source: World Bank.
Analysis
Tonga recorded 50.1% for control of corruption - upper bound of the 90% confidence interval in 2025.
That represents a change of up 6.3% over ten years.
Over the whole period, control of corruption - upper bound of the 90% confidence interval in Tonga peaked at 64.5% in 2004 and was at its lowest, 33.3%, in 2005.
That places Tonga 105th out of 208 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 22 years of available data.
Control of Corruption: Upper bound of the 90% confidence in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 2004 | 64.5% | — |
| 2005 | 33.3% | -48.3% |
| 2006 | 33.4% | +0.3% |
| 2007 | 38.8% | +15.9% |
| 2008 | 47.2% | +21.7% |
| 2009 | 46.6% | -1.3% |
| 2010 | 54.3% | +16.6% |
| 2011 | 54.5% | +0.4% |
| 2012 | 54.5% | -0.1% |
| 2013 | 54.5% | +0.0% |
| 2014 | 47.3% | -13.2% |
| 2015 | 47.1% | -0.4% |
| 2016 | 47.1% | +0.1% |
| 2017 | 54.2% | +15.1% |
| 2018 | 57.3% | +5.6% |
| 2019 | 50.2% | -12.4% |
| 2020 | 53.4% | +6.3% |
| 2021 | 52.1% | -2.4% |
| 2022 | 48.9% | -6.1% |
| 2023 | 50.0% | +2.2% |
| 2024 | 50.1% | +0.1% |
| 2025 | 50.1% | +0.0% |
Tonga compared with similar countries
- Tonga's 50.1% is above the median for upper middle income countries, which is 47.7%, 1.0× the median. (59 countries reporting)
- Tonga's 50.1% is below the median for East Asia & Pacific, which is 67.8%, 74% of the median. (36 countries reporting)
Biggest year-on-year movements
Years where Control of Corruption: Upper bound of the 90% confidence in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2005 | -48.3% | 64.5% | 33.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 44.0% | 33.3% | 64.5% | 6 |
| 2010s | 52.1% | 47.1% | 57.3% | 10 |
| 2020s | 50.7% | 48.9% | 53.4% | 6 |
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 control of corruption - upper bound of the 90% confidence interval in Tonga?
- Control of corruption - upper bound of the 90% confidence interval in Tonga was 50.1% in 2025, according to the World Bank.
- What is the highest control of corruption - upper bound of the 90% confidence interval recorded in Tonga?
- The highest recorded value was 64.5% in 2004.
- What is the lowest control of corruption - upper bound of the 90% confidence interval recorded in Tonga?
- The lowest recorded value was 33.3% in 2005.
- How does Tonga rank for control of corruption - upper bound of the 90% confidence interval?
- Tonga ranks 105th out of 208 countries with data for 2025.
- Is control of corruption - upper bound of the 90% confidence interval rising or falling in Tonga?
- Over the last ten years it is up 6.3%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from the World Bank, published as part of Control of Corruption - Upper bound of the 90% confidence interval for the governance score. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 22 observations, free to reuse under CC BY 4.0 (World Bank Open Data).