Above-ground forest biomass in Tonga
Tonga: Above-ground forest biomass was 193.59 tonnes per hectare in 2025. ▬ Flat
Latest (2025)
193.59 tonnes per hectare
World rank
39th
of 215 countries
All-time high
193.59 tonnes per hectare
in 1990
All-time low
193.59 tonnes per hectare
in 1990
Years of data
10
1990–2025
Above-ground forest biomass in Tonga, 1990–2025
Source: Food and Agriculture Organization of the United Nations – processed by Our World in Data. Measured in tonnes per hectare.
Analysis
Tonga recorded 193.59 tonnes per hectare for above-ground forest biomass in 2025. That is the highest value across all 10 years on record.
That represents a change of unchanged over ten years.
Over the whole period, above-ground forest biomass in Tonga peaked at 193.59 tonnes per hectare in 1990 and was at its lowest, 193.59 tonnes per hectare, in 1990.
That places Tonga 39th out of 215 countries with data for 2025, putting it in the top quarter.
Above-ground forest biomass in Tonga, year by year
| Year | tonnes per hectare | Change |
|---|---|---|
| 1990 | 193.59 tonnes per hectare | — |
| 2000 | 193.59 tonnes per hectare | +0.0% |
| 2010 | 193.59 tonnes per hectare | +0.0% |
| 2015 | 193.59 tonnes per hectare | +0.0% |
| 2016 | 194.44 tonnes per hectare | +0.4% |
| 2017 | 194.44 tonnes per hectare | +0.0% |
| 2018 | 194.44 tonnes per hectare | +0.0% |
| 2019 | 194.44 tonnes per hectare | +0.0% |
| 2020 | 193.59 tonnes per hectare | -0.4% |
| 2025 | 193.59 tonnes per hectare | +0.0% |
Tonga compared with similar countries
- Tonga's 193.59 tonnes per hectare is above the median for upper middle income countries, which is 134.94 tonnes per hectare, 1.4× the median. (56 countries reporting)
- Tonga's 193.59 tonnes per hectare is above the median for East Asia & Pacific, which is 147 tonnes per hectare, 1.3× the median. (33 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 193.59 tonnes per hectare | 193.59 tonnes per hectare | 193.59 tonnes per hectare | 1 |
| 2000s | 193.59 tonnes per hectare | 193.59 tonnes per hectare | 193.59 tonnes per hectare | 1 |
| 2010s | 194.16 tonnes per hectare | 193.59 tonnes per hectare | 194.44 tonnes per hectare | 6 |
| 2020s | 193.59 tonnes per hectare | 193.59 tonnes per hectare | 193.59 tonnes per hectare | 2 |
Countries ranked near Tonga
More environment data for Tonga
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.234 °C (2025)
- Temperature change 0.858 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0.1689 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)
Frequently asked questions
- What is above-ground forest biomass in Tonga?
- Above-ground forest biomass in Tonga was 193.59 tonnes per hectare in 2025, according to Food and Agriculture Organization of the United Nations – processed by Our World in Data.
- What is the highest above-ground forest biomass recorded in Tonga?
- The highest recorded value was 193.59 tonnes per hectare in 1990.
- What is the lowest above-ground forest biomass recorded in Tonga?
- The lowest recorded value was 193.59 tonnes per hectare in 1990.
- How does Tonga rank for above-ground forest biomass?
- Tonga ranks 39th out of 215 countries with data for 2025.
- Is above-ground forest biomass rising or falling in Tonga?
- Over the last ten years it is unchanged. The long-run trend across the full record is flat.
- Where does this Tonga data come from?
- The figures come from Food and Agriculture Organization of the United Nations – processed by Our World in Data, published as part of Above-ground forest biomass. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 10 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Above-ground biomass in forest (tonnes per hectare).