Guam vs Samoa: Above-ground forest biomass
Guam
80.3 tonnes per hectare
in 2025
Samoa
79.62 tonnes per hectare
in 2025
Guam rank
143rd
Samoa rank
145th
Above-ground forest biomass over time
- Guam
- Samoa
How they compare
Guam currently reports 80.3 tonnes per hectare against 79.62 tonnes per hectare in Samoa, a difference of 0.68 tonnes per hectare.
Across all 10 years both countries report, Guam has been ahead every year.
Guam ranks 143rd and Samoa ranks 145th of 215 countries.
Guam has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Guam | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 116.67 tonnes per hectare | 79.79 tonnes per hectare | 36.88 tonnes per hectare | Guam |
| 2000s | 116.67 tonnes per hectare | 79.76 tonnes per hectare | 36.91 tonnes per hectare | Guam |
| 2010s | 107.5 tonnes per hectare | 96.59 tonnes per hectare | 10.9 tonnes per hectare | Guam |
| 2020s | 80.3 tonnes per hectare | 79.65 tonnes per hectare | 0.655 tonnes per hectare | Guam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher above-ground forest biomass, Guam or Samoa?
- Guam, at 80.3 tonnes per hectare against 79.62 tonnes per hectare in Samoa as of 2025.
- What is the difference in above-ground forest biomass between Guam and Samoa?
- 0.68 tonnes per hectare, with Guam ahead.
- How many years of comparable data are there for Guam and Samoa?
- 10 years are reported by both, from 1990 to 2025.
- How do Guam and Samoa rank globally for above-ground forest biomass?
- Guam ranks 143rd and Samoa ranks 145th of 215 countries.
- Where does this data come from?
- Food and Agriculture Organization of the United Nations – processed by Our World in Data, published as Above-ground forest biomass. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Above-ground biomass in forest (tonnes per hectare).