Above-ground biomass in forest in Tonga
Tonga: Above-ground biomass in forest was 193.59 t per ha in 2025. ▬ Flat
Above-ground biomass in forest in Tonga, 1990–2025
Source: United Nations Statistics Division, SDG Global Database. Measured in t per ha.
Analysis
The most recent figure for above-ground biomass in forest in Tonga is 193.59 t per ha, measured in 2025. That is the highest value across all 6 years on record.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, above-ground biomass in forest in Tonga peaked at 193.59 t per ha in 1990 and was at its lowest, 193.59 t per ha, in 1990.
That places Tonga 40th out of 222 countries with data for 2025, putting it in the top quarter.
Above-ground biomass in forest in Tonga, year by year
| Year | t per ha | Change |
|---|---|---|
| 1990 | 193.59 t per ha | — |
| 2000 | 193.59 t per ha | +0.0% |
| 2010 | 193.59 t per ha | +0.0% |
| 2015 | 193.59 t per ha | +0.0% |
| 2020 | 193.59 t per ha | +0.0% |
| 2025 | 193.59 t per ha | +0.0% |
Tonga compared with similar countries
- Tonga's 193.59 t per ha is above the median for upper middle income countries, which is 136.1 t per ha, 1.4× the median. (52 countries reporting)
- Tonga's 193.59 t per ha is above the median for East Asia & Pacific, which is 147.63 t per ha, 1.3× the median. (30 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 193.59 t per ha | 193.59 t per ha | 193.59 t per ha | 1 |
| 2000s | 193.59 t per ha | 193.59 t per ha | 193.59 t per ha | 1 |
| 2010s | 193.59 t per ha | 193.59 t per ha | 193.59 t per ha | 2 |
| 2020s | 193.59 t per ha | 193.59 t per ha | 193.59 t per ha | 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 biomass in forest in Tonga?
- Above-ground biomass in forest in Tonga was 193.59 t per ha in 2025, according to United Nations Statistics Division, SDG Global Database.
- What is the highest above-ground biomass in forest recorded in Tonga?
- The highest recorded value was 193.59 t per ha in 1990.
- What is the lowest above-ground biomass in forest recorded in Tonga?
- The lowest recorded value was 193.59 t per ha in 1990.
- How does Tonga rank for above-ground biomass in forest?
- Tonga ranks 40th out of 222 countries with data for 2025.
- Is above-ground biomass in forest 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 United Nations Statistics Division, SDG Global Database, published as part of Above-ground biomass in forest (tonnes per hectare). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 6 observations, free to reuse under UN SDG Global Database (open, attribution requested).