Global statistics on forest cover have a tendency to move in counterintuitive directions because they aggregate phenomena that are not interchangeable. A hectare of intact old-growth tropical forest converted to oil palm and a hectare of degraded land planted with a commercial timber species can both register, in some accountings, as no net change in “forest cover”. The composition of what is gained and lost matters more than the count.
What is being lost
Loss of intact primary forest — mature, undisturbed, multi-layered ecosystems that have not been subject to large-scale human modification — continues at rates of approximately three to four million hectares per year globally. The losses are concentrated in tropical regions, with Brazil, the Democratic Republic of Congo, Indonesia, Bolivia, and Peru together accounting for the bulk. The drivers are dominated by agricultural expansion (cattle ranching, soy, oil palm) and, in some regions, by mining and infrastructure development.
Carbon-storage and biodiversity consequences of primary forest loss are substantially larger per hectare than for the loss of younger or managed forests. The above-ground biomass is greater, the soil-carbon pools are deeper, and the species diversity is in many cases not recoverable on human time scales.
What is being gained
Reforestation, afforestation, and natural forest regeneration have been adding tree cover at significant rates, particularly in temperate-zone countries (China, the United States, much of Europe) and in some tropical regions where land has been abandoned from agricultural use. Some of this is ecological recovery. Much of it is plantation forestry, often monoculture, with a small fraction of the carbon-storage capacity and a tiny fraction of the biodiversity value of the systems it replaces or supplements.
The aggregate global statistic in any given year is the sum of these very different categories. A small net gain in “tree cover” can coexist with a continued decline in primary forest, a continued decline in carbon storage, and a continued decline in biodiversity-relevant ecosystem function.
The regulatory consequence
The European Union’s deforestation regulation, which entered into force in late 2024, attempts to address this by tying market access for certain commodities (cattle, cocoa, coffee, palm oil, rubber, soy, wood) to documented evidence that they were not produced on land deforested after a defined cutoff date. The regulation has been substantively criticized on implementation grounds — the traceability requirements are demanding for smallholder supply chains in producer countries — and revisions are ongoing. The underlying premise, that the buyer should not be agnostic about land-use history, is the more important shift.
The honest summary
The right question is not “is total forest cover going up or down”. The right question is what is being lost in the irreplaceable categories, what is being gained in the replaceable categories, and whether the net carbon and ecosystem accounting reflects the difference. By those measures, the global forest is still in retreat.