Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 2.2 | |
| 1991 | 2.2 | |
| 1992 | 2.4 | |
| 1993 | 3 | |
| 1994 | 3.7 | |
| 1995 | 3.9 | |
| 1996 | 4.1 | |
| 1997 | 4.8 | |
| 1998 | 4.9 | |
| 1999 | 5 | |
| 2000 | 7.5 | |
| 2001 | 7.7 | |
| 2002 | 9.3 | |
| 2003 | 9.8 | |
| 2004 | 10 | |
| 2005 | 10.4 | |
| 2006 | 10.5 | |
| 2007 | 10.9 | |
| 2008 | 10.9 | |
| 2009 | 11.1 | |
| 2010 | 11.1 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 43366 | |
| 1991 | 43435 | |
| 1992 | 47414 | |
| 1993 | 59752 | |
| 1994 | 73451 | |
| 1995 | 76607 | |
| 1996 | 80686 | |
| 1997 | 94198 | |
| 1998 | 96040 | |
| 1999 | 98147 | |
| 2000 | 147511 | |
| 2001 | 151420 | |
| 2002 | 183483 | |
| 2003 | 193104 | |
| 2004 | 195973 | |
| 2005 | 204102 | |
| 2006 | 206855 | |
| 2007 | 214369 | |
| 2008 | 215063 | |
| 2009 | 218826 | |
| 2010 | 218826 | |
Source: United Nations Statistics Division