Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 7.7 | |
| 1991 | 7.9 | |
| 1992 | 8 | |
| 1993 | 8 | |
| 1994 | 8.3 | |
| 1995 | 8.4 | |
| 1996 | 8.5 | |
| 1997 | 8.5 | |
| 1998 | 8.6 | |
| 1999 | 8.6 | |
| 2000 | 8.6 | |
| 2001 | 8.6 | |
| 2002 | 8.6 | |
| 2003 | 8.6 | |
| 2004 | 8.6 | |
| 2005 | 8.6 | |
| 2006 | 8.6 | |
| 2007 | 8.6 | |
| 2008 | 8.6 | |
| 2009 | 8.6 | |
| 2010 | 8.6 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 39112 | |
| 1991 | 40104 | |
| 1992 | 40293 | |
| 1993 | 40477 | |
| 1994 | 41988 | |
| 1995 | 42548 | |
| 1996 | 43197 | |
| 1997 | 43197 | |
| 1998 | 43371 | |
| 1999 | 43442 | |
| 2000 | 43447 | |
| 2001 | 43459 | |
| 2002 | 43514 | |
| 2003 | 43541 | |
| 2004 | 43566 | |
| 2005 | 43566 | |
| 2006 | 43566 | |
| 2007 | 43566 | |
| 2008 | 43566 | |
| 2009 | 43566 | |
| 2010 | 43566 | |
Source: United Nations Statistics Division