Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 7 | |
| 1991 | 7.6 | |
| 1992 | 7.8 | |
| 1993 | 7.9 | |
| 1994 | 7.9 | |
| 1995 | 7.9 | |
| 1996 | 8 | |
| 1997 | 8.1 | |
| 1998 | 8.1 | |
| 1999 | 8.2 | |
| 2000 | 9.1 | |
| 2001 | 9.6 | |
| 2002 | 10.8 | |
| 2003 | 11.1 | |
| 2004 | 12.2 | |
| 2005 | 12.5 | |
| 2006 | 14.5 | |
| 2007 | 14.5 | |
| 2008 | 14.6 | |
| 2009 | 14.6 | |
| 2010 | 14.6 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 22875 | |
| 1991 | 24642 | |
| 1992 | 25340 | |
| 1993 | 25735 | |
| 1994 | 25738 | |
| 1995 | 25799 | |
| 1996 | 25895 | |
| 1997 | 26444 | |
| 1998 | 26446 | |
| 1999 | 26586 | |
| 2000 | 29568 | |
| 2001 | 31295 | |
| 2002 | 35113 | |
| 2003 | 36283 | |
| 2004 | 39558 | |
| 2005 | 40536 | |
| 2006 | 47117 | |
| 2007 | 47194 | |
| 2008 | 47412 | |
| 2009 | 47412 | |
| 2010 | 47412 | |
Source: United Nations Statistics Division
