Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 4.6 | 1 |
| 1991 | 4.7 | 1 |
| 1992 | 4.7 | 1 |
| 1993 | 4.7 | 1 |
| 1994 | 4.7 | 1 |
| 1995 | 4.7 | 1 |
| 1996 | 5.1 | 1 |
| 1997 | 5.1 | 1 |
| 1998 | 5.1 | 1 |
| 1999 | 5.1 | 1 |
| 2000 | 5.1 | 1 |
| 2001 | 5.1 | 1 |
| 2002 | 5.1 | 1 |
| 2003 | 5.1 | 1 |
| 2004 | 5.1 | 1 |
| 2005 | 5.1 | 1 |
| 2006 | 5.1 | 1 |
| 2007 | 5.1 | 1 |
| 2008 | 5.1 | 1 |
| 2009 | 5.1 | 1 |
| 2010 | 5.1 | 1 |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 4245 | 1 |
| 1991 | 4335 | 1 |
| 1992 | 4335 | 1 |
| 1993 | 4342 | 1 |
| 1994 | 4342 | 1 |
| 1995 | 4343 | 1 |
| 1996 | 4716 | 1 |
| 1997 | 4740 | 1 |
| 1998 | 4753 | 1 |
| 1999 | 4757 | 1 |
| 2000 | 4757 | 1 |
| 2001 | 4763 | 1 |
| 2002 | 4764 | 1 |
| 2003 | 4766 | 1 |
| 2004 | 4766 | 1 |
| 2005 | 4775 | 1 |
| 2006 | 4775 | 1 |
| 2007 | 4790 | 1 |
| 2008 | 4790 | 1 |
| 2009 | 4790 | 1 |
| 2010 | 4790 | 1 |
Source: United Nations Statistics Division
