Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 6.5 | |
| 1991 | 6.7 | |
| 1992 | 6.8 | |
| 1993 | 6.8 | |
| 1994 | 6.8 | |
| 1995 | 6.9 | |
| 1996 | 6.9 | |
| 1997 | 6.9 | |
| 1998 | 6.9 | |
| 1999 | 6.9 | |
| 2000 | 6.9 | |
| 2001 | 6.9 | |
| 2002 | 6.9 | |
| 2003 | 6.9 | |
| 2004 | 6.9 | |
| 2005 | 6.9 | |
| 2006 | 6.9 | |
| 2007 | 6.9 | |
| 2008 | 6.9 | |
| 2009 | 6.9 | |
| 2010 | 6.9 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 80030 | |
| 1991 | 81719 | |
| 1992 | 83488 | |
| 1993 | 83570 | |
| 1994 | 83714 | |
| 1995 | 83913 | |
| 1996 | 83913 | |
| 1997 | 83913 | |
| 1998 | 84313 | |
| 1999 | 84313 | |
| 2000 | 84463 | |
| 2001 | 84463 | |
| 2002 | 84474 | |
| 2003 | 84474 | |
| 2004 | 84495 | |
| 2005 | 84495 | |
| 2006 | 84495 | |
| 2007 | 84495 | |
| 2008 | 84495 | |
| 2009 | 84495 | |
| 2010 | 84495 | |
Source: United Nations Statistics Division