Area-based estimate represents area calculated from the map. Sample-based estimate is based on matching sampling analysis performed only within portions of IFLs vulnerable for degradation. This analysis only considers the reduction of IFL area 2000–2013 that was not attributed to fire.
| Region | Area-based estimate | Sample-based estimate and standard error (SE) | |||
| IFL 2000 within IUCN category I–III PAs (%) | IFL area reduction within PAs (%) | IFL area reduction outside PAs (%) | IFL area reduction within PAs, % (SE, %) | IFL area reduction outside PAs, % (SE, %) | |
| Africa | 10.8 | 1.6 | 11.2 | 5.5 (0.72) | 25 (1.37) |
| Australia and New Zealand | 47.4 | 9.6 | 20.5 | 54.6 (1.57) | 44.1 (1.57) |
| Temperate South America | 43.7 | 0.4 | 1.3 | 1.6 (0.40) | 1.1 (0.33) |
| Tropical South America | 15.1 | 2.0 | 8.0 | 8.0 (0.86) | 14.6 (1.12) |
| Temperate North America | 34.0 | 1.1 | 16.4 | 5.2 (0.70) | 24.6 (1.36) |
| Temperate Northern Eurasia | 7.7 | 1.4 | 7.9 | 3.2 (0.56) | 17.5 (1.20) |
| Southeast Asia | 12.7 | 4.6 | 15.2 | 6.8 (0.80) | 17.9 (1.21) |