Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 4.5 | |
| 1991 | 4.6 | |
| 1992 | 4.6 | |
| 1993 | 4.6 | |
| 1994 | 4.7 | |
| 1995 | 5.4 | |
| 1996 | 5.5 | |
| 1997 | 5.6 | |
| 1998 | 5.8 | |
| 1999 | 6 | |
| 2000 | 6 | |
| 2001 | 6 | |
| 2002 | 6.2 | |
| 2003 | 6.2 | |
| 2004 | 6.2 | |
| 2005 | 6.2 | |
| 2006 | 6.2 | |
| 2007 | 6.2 | |
| 2008 | 6.2 | |
| 2009 | 6.2 | |
| 2010 | 6.2 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 14944 | |
| 1991 | 15085 | |
| 1992 | 15091 | |
| 1993 | 15258 | |
| 1994 | 15619 | |
| 1995 | 17796 | |
| 1996 | 18267 | |
| 1997 | 18349 | |
| 1998 | 19168 | |
| 1999 | 19898 | |
| 2000 | 19898 | |
| 2001 | 19898 | |
| 2002 | 20568 | |
| 2003 | 20568 | |
| 2004 | 20568 | |
| 2005 | 20568 | |
| 2006 | 20568 | |
| 2007 | 20568 | |
| 2008 | 20568 | |
| 2009 | 20568 | |
| 2010 | 20568 | |
Source: United Nations Statistics Division
