What is the difference in above-ground forest biomass between New Zealand and Slovenia?

10.63 tonnes per hectare, with New Zealand ahead.

How many years of comparable data are there for New Zealand and Slovenia?

10 years are reported by both, from 1990 to 2025.

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.

New Zealand vs Slovenia: Above-ground forest biomass

New Zealand

241.24 tonnes per hectare

in 2025

Slovenia

230.61 tonnes per hectare

in 2025

New Zealand rank

16th

Slovenia rank

17th

Above-ground forest biomass over time

New Zealand
Slovenia

How they compare

New Zealand currently reports 241.24 tonnes per hectare against 230.61 tonnes per hectare in Slovenia, a difference of 10.63 tonnes per hectare.

Across all 10 years both countries report, New Zealand has been ahead every year.

New Zealand ranks 16th and Slovenia ranks 17th of 215 countries.

New Zealand has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	New Zealand	Slovenia	Difference	Ahead
1990s	234.52 tonnes per hectare	173.98 tonnes per hectare	60.54 tonnes per hectare	New Zealand
2000s	232.15 tonnes per hectare	204.23 tonnes per hectare	27.92 tonnes per hectare	New Zealand
2010s	278.01 tonnes per hectare	245.95 tonnes per hectare	32.07 tonnes per hectare	New Zealand
2020s	244.41 tonnes per hectare	230.15 tonnes per hectare	14.26 tonnes per hectare	New Zealand

Averages of every year both report within each decade.

Frequently asked questions

Which has higher above-ground forest biomass, New Zealand or Slovenia?: New Zealand, at 241.24 tonnes per hectare against 230.61 tonnes per hectare in Slovenia as of 2025.
What is the difference in above-ground forest biomass between New Zealand and Slovenia?: 10.63 tonnes per hectare, with New Zealand ahead.
How many years of comparable data are there for New Zealand and Slovenia?: 10 years are reported by both, from 1990 to 2025.
How do New Zealand and Slovenia rank globally for above-ground forest biomass?: New Zealand ranks 16th and Slovenia ranks 17th 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.

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New Zealand vs Slovenia: Above-ground forest biomass. Statizoid, drawing on Food and Agriculture Organization of the United Nations – processed by Our World in Data. Retrieved 02 October 2026, from https://environment.statizoid.com/compare/above-ground-biomass-in-forest-per-hectare/new-zealand/slovenia/

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About this data

Indicator: Above-ground forest biomass
Unit: tonnes per hectare
Source: Food and Agriculture Organization of the United Nations – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 215 places, 1,311 data points, 1990–2025
Last refreshed: 18 September 2026

Above-ground biomass in forest (tonnes per hectare).