Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 15.3 | |
| 1991 | 16.4 | |
| 1992 | 17.6 | |
| 1993 | 18.5 | |
| 1994 | 19.2 | |
| 1995 | 20.6 | |
| 1996 | 21.1 | |
| 1997 | 21.3 | |
| 1998 | 22.3 | |
| 1999 | 22.3 | |
| 2000 | 22.3 | |
| 2001 | 22.4 | |
| 2002 | 22.4 | |
| 2003 | 22.4 | |
| 2004 | 22.4 | |
| 2005 | 22.4 | |
| 2006 | 22.4 | |
| 2007 | 22.4 | |
| 2008 | 22.4 | |
| 2009 | 22.4 | |
| 2010 | 22.4 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 47743 | |
| 1991 | 51215 | |
| 1992 | 54754 | |
| 1993 | 57649 | |
| 1994 | 59732 | |
| 1995 | 64086 | |
| 1996 | 65694 | |
| 1997 | 66459 | |
| 1998 | 69477 | |
| 1999 | 69657 | |
| 2000 | 69678 | |
| 2001 | 69915 | |
| 2002 | 69915 | |
| 2003 | 69915 | |
| 2004 | 69929 | |
| 2005 | 69929 | |
| 2006 | 69929 | |
| 2007 | 69929 | |
| 2008 | 69929 | |
| 2009 | 69929 | |
| 2010 | 69929 | |
Source: United Nations Statistics Division
