Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 5.9 | |
| 1991 | 5.9 | |
| 1992 | 5.9 | |
| 1993 | 5.9 | |
| 1994 | 5.9 | |
| 1995 | 6.6 | |
| 1996 | 6.6 | |
| 1997 | 6.6 | |
| 1998 | 7.5 | |
| 1999 | 7.6 | |
| 2000 | 8 | |
| 2001 | 8 | |
| 2002 | 8 | |
| 2003 | 8 | |
| 2004 | 8 | |
| 2005 | 8 | |
| 2006 | 8 | |
| 2007 | 8 | |
| 2008 | 8.3 | |
| 2009 | 8.3 | |
| 2010 | 8.3 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 5388 | |
| 1991 | 5400 | |
| 1992 | 5400 | |
| 1993 | 5401 | |
| 1994 | 5401 | |
| 1995 | 6098 | |
| 1996 | 6099 | |
| 1997 | 6099 | |
| 1998 | 6934 | |
| 1999 | 7038 | |
| 2000 | 7339 | |
| 2001 | 7339 | |
| 2002 | 7339 | |
| 2003 | 7339 | |
| 2004 | 7378 | |
| 2005 | 7387 | |
| 2006 | 7396 | |
| 2007 | 7397 | |
| 2008 | 7649 | |
| 2009 | 7649 | |
| 2010 | 7649 | |
Source: United Nations Statistics Division