Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 4.2 | |
| 1991 | 8.6 | |
| 1992 | 8.7 | |
| 1993 | 8.7 | |
| 1994 | 8.7 | |
| 1995 | 8.7 | |
| 1996 | 8.8 | |
| 1997 | 8.8 | |
| 1998 | 8.8 | |
| 1999 | 8.8 | |
| 2000 | 8.9 | |
| 2001 | 8.9 | |
| 2002 | 8.9 | |
| 2003 | 9 | |
| 2004 | 9 | |
| 2005 | 9 | |
| 2006 | 9 | |
| 2007 | 9 | |
| 2008 | 9 | |
| 2009 | 9 | |
| 2010 | 9 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 14183 | |
| 1991 | 29136 | |
| 1992 | 29221 | |
| 1993 | 29303 | |
| 1994 | 29495 | |
| 1995 | 29527 | |
| 1996 | 29569 | |
| 1997 | 29591 | |
| 1998 | 29639 | |
| 1999 | 29680 | |
| 2000 | 30029 | |
| 2001 | 30085 | |
| 2002 | 30139 | |
| 2003 | 30256 | |
| 2004 | 30388 | |
| 2005 | 30488 | |
| 2006 | 30488 | |
| 2007 | 30488 | |
| 2008 | 30488 | |
| 2009 | 30488 | |
| 2010 | 30488 | |
Source: United Nations Statistics Division
