Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 21.6 | |
| 1991 | 22 | |
| 1992 | 22.1 | |
| 1993 | 22.5 | |
| 1994 | 23.3 | |
| 1995 | 23.5 | |
| 1996 | 24.9 | |
| 1997 | 24.9 | |
| 1998 | 24.9 | |
| 1999 | 24.9 | |
| 2000 | 25.1 | |
| 2001 | 25.1 | |
| 2002 | 25.1 | |
| 2003 | 25.1 | |
| 2004 | 25.1 | |
| 2005 | 25.1 | |
| 2006 | 25.1 | |
| 2007 | 25.1 | |
| 2008 | 25.1 | |
| 2009 | 25.1 | |
| 2010 | 25.1 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 55807 | |
| 1991 | 56769 | |
| 1992 | 56928 | |
| 1993 | 58117 | |
| 1994 | 60192 | |
| 1995 | 60553 | |
| 1996 | 64353 | |
| 1997 | 64363 | |
| 1998 | 64363 | |
| 1999 | 64363 | |
| 2000 | 64761 | |
| 2001 | 64761 | |
| 2002 | 64761 | |
| 2003 | 64761 | |
| 2004 | 64761 | |
| 2005 | 64761 | |
| 2006 | 64761 | |
| 2007 | 64761 | |
| 2008 | 64796 | |
| 2009 | 64796 | |
| 2010 | 64796 | |
Source: United Nations Statistics Division
