Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 40.1 | |
| 1991 | 50.5 | |
| 1992 | 53.4 | |
| 1993 | 53.8 | |
| 1994 | 53.8 | |
| 1995 | 53.8 | |
| 1996 | 53.8 | |
| 1997 | 53.8 | |
| 1998 | 53.8 | |
| 1999 | 53.8 | |
| 2000 | 53.8 | |
| 2001 | 53.8 | |
| 2002 | 53.8 | |
| 2003 | 53.8 | |
| 2004 | 53.8 | |
| 2005 | 53.8 | |
| 2006 | 53.8 | |
| 2007 | 53.8 | |
| 2008 | 53.8 | |
| 2009 | 53.8 | |
| 2010 | 53.8 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 368261 | |
| 1991 | 463278 | |
| 1992 | 490028 | |
| 1993 | 493047 | |
| 1994 | 493047 | |
| 1995 | 493047 | |
| 1996 | 493047 | |
| 1997 | 493047 | |
| 1998 | 493047 | |
| 1999 | 493047 | |
| 2000 | 493077 | |
| 2001 | 493077 | |
| 2002 | 493077 | |
| 2003 | 493077 | |
| 2004 | 493077 | |
| 2005 | 493109 | |
| 2006 | 493109 | |
| 2007 | 493109 | |
| 2008 | 493109 | |
| 2009 | 493109 | |
| 2010 | 493109 | |
Source: United Nations Statistics Division