Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 6.6 | 1 |
| 1991 | 6.7 | 1 |
| 1992 | 6.7 | 1 |
| 1993 | 6.8 | 1 |
| 1994 | 6.8 | 1 |
| 1995 | 7.2 | 1 |
| 1996 | 7.2 | 1 |
| 1997 | 7.2 | 1 |
| 1998 | 7.2 | 1 |
| 1999 | 7.2 | 1 |
| 2000 | 7.2 | 1 |
| 2001 | 7.2 | 1 |
| 2002 | 7.2 | 1 |
| 2003 | 7.2 | 1 |
| 2004 | 7.2 | 1 |
| 2005 | 7.2 | 1 |
| 2006 | 7.2 | 1 |
| 2007 | 7.2 | 1 |
| 2008 | 7.2 | 1 |
| 2009 | 7.2 | 1 |
| 2010 | 7.2 | 1 |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 13566 | 1 |
| 1991 | 13780 | 1 |
| 1992 | 13801 | 1 |
| 1993 | 14138 | 1 |
| 1994 | 14179 | 1 |
| 1995 | 14850 | 1 |
| 1996 | 14962 | 1 |
| 1997 | 14962 | 1 |
| 1998 | 14962 | 1 |
| 1999 | 14962 | 1 |
| 2000 | 14962 | 1 |
| 2001 | 14962 | 1 |
| 2002 | 14962 | 1 |
| 2003 | 14962 | 1 |
| 2004 | 14963 | 1 |
| 2005 | 14964 | 1 |
| 2006 | 14964 | 1 |
| 2007 | 14964 | 1 |
| 2008 | 14964 | 1 |
| 2009 | 14964 | 1 |
| 2010 | 14964 | 1 |
Source: United Nations Statistics Division
