Share of drinkers who have had a heavy drinking session in past 30 days in Tonga
Tonga: Share of drinkers who have had a heavy drinking session in past 30 days was 47.8% in 2020. ▼ Falling
Share of drinkers who have had a heavy drinking session in past 30 days in Tonga, 2000–2020
Source: World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in %.
Analysis
The most recent figure for share of drinkers who have had a heavy drinking session in past 30 days in Tonga is 47.8%, measured in 2020.
Compared with earlier readings it is down 0.3% on the previous year and down 17.2% over ten years.
Over the whole period, share of drinkers who have had a heavy drinking session in past 30 days in Tonga peaked at 61.3% in 2001 and was at its lowest, 42.7%, in 2012.
That places Tonga 54th out of 187 countries with data for 2020, putting it in the middle of the range.
The long-run direction has been consistently falling across the 21 years of available data.
Share of drinkers who have had a heavy drinking session in past 30 days in Tonga, year by year
| Year | % | Change |
|---|---|---|
| 2000 | 61.1% | — |
| 2001 | 61.3% | +0.2% |
| 2002 | 59.6% | -2.7% |
| 2003 | 60.8% | +2.1% |
| 2004 | 60.2% | -1.1% |
| 2005 | 60.4% | +0.3% |
| 2006 | 59.7% | -1.2% |
| 2007 | 60.1% | +0.8% |
| 2008 | 57.6% | -4.2% |
| 2009 | 57.3% | -0.5% |
| 2010 | 57.8% | +0.8% |
| 2011 | 55.1% | -4.6% |
| 2012 | 42.7% | -22.5% |
| 2013 | 44.2% | +3.4% |
| 2014 | 46.4% | +5.1% |
| 2015 | 48.8% | +5.2% |
| 2016 | 48.7% | -0.2% |
| 2017 | 48.6% | -0.2% |
| 2018 | 48.1% | -1.0% |
| 2019 | 48.0% | -0.2% |
| 2020 | 47.8% | -0.3% |
Tonga compared with similar countries
- Tonga's 47.8% is above the median for upper middle income countries, which is 40.3%, 1.2× the median. (55 countries reporting)
- Tonga's 47.8% is below the median for East Asia & Pacific, which is 48.7%, 98% of the median. (28 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 59.8% | 57.3% | 61.3% | 10 |
| 2010s | 48.8% | 42.7% | 57.8% | 10 |
| 2020s | 47.8% | 47.8% | 47.8% | 1 |
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 share of drinkers who have had a heavy drinking session in past 30 days in Tonga?
- Share of drinkers who have had a heavy drinking session in past 30 days in Tonga was 47.8% in 2020, according to World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data.
- What is the highest share of drinkers who have had a heavy drinking session in past 30 days recorded in Tonga?
- The highest recorded value was 61.3% in 2001.
- What is the lowest share of drinkers who have had a heavy drinking session in past 30 days recorded in Tonga?
- The lowest recorded value was 42.7% in 2012.
- How does Tonga rank for share of drinkers who have had a heavy drinking session in past 30 days?
- Tonga ranks 54th out of 187 countries with data for 2020.
- Is share of drinkers who have had a heavy drinking session in past 30 days rising or falling in Tonga?
- Over the last ten years it is down 17.2%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data, published as part of Share of drinkers who have had a heavy drinking session in past 30 days. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 21 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Heavy episodic drinking (drinkers only) is defined as the proportion of adult drinkers (15+ years) who have had at least 60 grams or more of pure alcohol on at least one occasion in the past 30 days. A consumption of 60 grams of pure alcohol corresponds approximately to 6 standard alcoholic drinks.