Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 18.7 | |
| 1991 | 19.8 | |
| 1992 | 19.9 | |
| 1993 | 19.9 | |
| 1994 | 20.6 | |
| 1995 | 20.7 | |
| 1996 | 20.7 | |
| 1997 | 20.7 | |
| 1998 | 20.8 | |
| 1999 | 20.8 | |
| 2000 | 20.8 | |
| 2001 | 20.8 | |
| 2002 | 20.9 | |
| 2003 | 20.9 | |
| 2004 | 20.9 | |
| 2005 | 20.9 | |
| 2006 | 20.9 | |
| 2007 | 20.9 | |
| 2008 | 20.9 | |
| 2009 | 20.9 | |
| 2010 | 20.9 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 9642 | |
| 1991 | 10243 | |
| 1992 | 10247 | |
| 1993 | 10267 | |
| 1994 | 10620 | |
| 1995 | 10694 | |
| 1996 | 10699 | |
| 1997 | 10710 | |
| 1998 | 10721 | |
| 1999 | 10723 | |
| 2000 | 10729 | |
| 2001 | 10729 | |
| 2002 | 10803 | |
| 2003 | 10803 | |
| 2004 | 10803 | |
| 2005 | 10803 | |
| 2006 | 10803 | |
| 2007 | 10803 | |
| 2008 | 10803 | |
| 2009 | 10803 | |
| 2010 | 10803 | |
Source: United Nations Statistics Division
