Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 17.2 | |
| 1991 | 17.2 | |
| 1992 | 17.3 | |
| 1993 | 17.3 | |
| 1994 | 17.7 | |
| 1995 | 17.7 | |
| 1996 | 17.7 | |
| 1997 | 17.7 | |
| 1998 | 17.7 | |
| 1999 | 17.7 | |
| 2000 | 17.7 | |
| 2001 | 18.7 | |
| 2002 | 18.7 | |
| 2003 | 18.7 | |
| 2004 | 18.7 | |
| 2005 | 18.7 | |
| 2006 | 18.7 | |
| 2007 | 18.7 | |
| 2008 | 18.7 | |
| 2009 | 18.7 | |
| 2010 | 18.7 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 13073 | |
| 1991 | 13073 | |
| 1992 | 13120 | |
| 1993 | 13120 | |
| 1994 | 13409 | |
| 1995 | 13409 | |
| 1996 | 13409 | |
| 1997 | 13409 | |
| 1998 | 13409 | |
| 1999 | 13409 | |
| 2000 | 13409 | |
| 2001 | 14192 | |
| 2002 | 14192 | |
| 2003 | 14192 | |
| 2004 | 14192 | |
| 2005 | 14192 | |
| 2006 | 14192 | |
| 2007 | 14192 | |
| 2008 | 14192 | |
| 2009 | 14192 | |
| 2010 | 14192 | |
Source: United Nations Statistics Division