Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 15.4 | |
| 1991 | 25.2 | |
| 1992 | 29.2 | |
| 1993 | 29.3 | |
| 1994 | 29.3 | |
| 1995 | 29.3 | |
| 1996 | 29.3 | |
| 1997 | 29.3 | |
| 1998 | 29.3 | |
| 1999 | 36.7 | |
| 2000 | 36.7 | |
| 2001 | 36.7 | |
| 2002 | 36.7 | |
| 2003 | 36.7 | |
| 2004 | 36.7 | |
| 2005 | 36.7 | |
| 2006 | 36.7 | |
| 2007 | 36.7 | |
| 2008 | 36.7 | |
| 2009 | 36.7 | |
| 2010 | 36.7 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 19917 | |
| 1991 | 32587 | |
| 1992 | 37771 | |
| 1993 | 37828 | |
| 1994 | 37828 | |
| 1995 | 37828 | |
| 1996 | 37828 | |
| 1997 | 37828 | |
| 1998 | 37828 | |
| 1999 | 47454 | |
| 2000 | 47454 | |
| 2001 | 47454 | |
| 2002 | 47454 | |
| 2003 | 47454 | |
| 2004 | 47454 | |
| 2005 | 47454 | |
| 2006 | 47454 | |
| 2007 | 47454 | |
| 2008 | 47454 | |
| 2009 | 47454 | |
| 2010 | 47454 | |
Source: United Nations Statistics Division