Indigenous Lands with secure land-tenure can reduce forest-loss in deforestation hotspots

•First map of Indigenous Peoples’ Lands for the Dry Chaco region.•Indigenous Lands with secure land-tenure halt forest-loss in deforestation hotspots.•Over 40% of the remaining forests of the Dry Chaco are Indigenous.•Most Indigenous Peoples of the Dry Chaco have land-tenure insecurity.•Over 80% of the remaining forests of the Dry Chaco occur outside Protected Areas.