The Land use classification of Manas National Park is :
| Land use class | 1977 (Area in sq. km.) | 2006 (Area in sq. km.) |
| Woodland | 253.10 | 233.21 |
| Dry grassland | 120.86 | 161.97 |
| Swampy grassland | 94.38 | 44.37 |
| Water body | 8.88 | 4.99 |
| River sand | 23.74 | 35.97 |
| Others | 20.47 |