Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 25.4 | |
| 1991 | 25.4 | |
| 1992 | 25.4 | |
| 1993 | 25.5 | |
| 1994 | 25.5 | |
| 1995 | 25.5 | |
| 1996 | 25.7 | |
| 1997 | 25.9 | |
| 1998 | 25.9 | |
| 1999 | 25.9 | |
| 2000 | 25.9 | |
| 2001 | 25.9 | |
| 2002 | 25.9 | |
| 2003 | 26.2 | |
| 2004 | 26.2 | |
| 2005 | 26.2 | |
| 2006 | 26.2 | |
| 2007 | 26.2 | |
| 2008 | 26.2 | |
| 2009 | 26.2 | |
| 2010 | 26.2 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 68428 | |
| 1991 | 68586 | |
| 1992 | 68588 | |
| 1993 | 68737 | |
| 1994 | 68739 | |
| 1995 | 68743 | |
| 1996 | 69270 | |
| 1997 | 69941 | |
| 1998 | 69941 | |
| 1999 | 69943 | |
| 2000 | 69943 | |
| 2001 | 69951 | |
| 2002 | 69951 | |
| 2003 | 70608 | |
| 2004 | 70608 | |
| 2005 | 70616 | |
| 2006 | 70616 | |
| 2007 | 70660 | |
| 2008 | 70660 | |
| 2009 | 70660 | |
| 2010 | 70660 | |
Source: United Nations Statistics Division