| Rome municipality | ISPRA analysis | Satellite analysis | |||
| Year | 2005 | 2008 | 2010 | 2015 | 2016 |
| Km2 | 322.75 | 334.96 | 324.4 | 354.54 | 354.75 |
| % | 25.1 | 26.1 | 25.2 | 27.54 | 27.56 |