| Area in sq. km. | ||||||||
| Sl. No. | District Name | District Area | Tree Cover 1990 | Tree Cover 2000 | Tree Cover 2010 | Tree Cover 2017 | Tree Cover 2019 | Tree Cover 2021 |
| 1 | RI BHOI | 2448 | 1931 | 2079 | 2016 | 1936 | 2037 | 2079 |
| 2 | WEST GARO HILLS | 3677 | 2917 | 2644 | 2647 | 2454 | 2506 | 2806 |
| 3 | EAST GARO HILLS | 2603 | 2176 | 2101 | 2039 | 2119 | 2000 | 2093 |
| 4 | WEST KHASI HILLS | 5247 | 4012 | 3960 | 3926 | 4175 | 4005 | 3898 |
| 5 | JAINTIA HILLS | 3819 | 2334 | 2795 | 2551 | 2229 | 2469 | 2352 |
| 6 | EAST KHASI HILLS | 2748 | 1778 | 1867 | 1718 | 1927 | 1899 | 1821 |
| 7 | SOUTH GARO HILLS | 1887 | 1676 | 1556 | 1669 | 1628 | 1663 | 1677 |
| TOTAL | 22,429 | 16,824 | 17,002 | 16,566 | 16,468 | 16,579 | 16,726 | |