Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 25.9 | |
| 1991 | 25.9 | |
| 1992 | 25.9 | |
| 1993 | 25.9 | |
| 1994 | 25.9 | |
| 1995 | 27.3 | |
| 1996 | 28.4 | |
| 1997 | 28.8 | |
| 1998 | 28.9 | |
| 1999 | 29 | |
| 2000 | 29 | |
| 2001 | 29.1 | |
| 2002 | 29.1 | |
| 2003 | 29.5 | |
| 2004 | 29.6 | |
| 2005 | 30.4 | |
| 2006 | 30.5 | |
| 2007 | 30.6 | |
| 2008 | 30.6 | |
| 2009 | 30.6 | |
| 2010 | 30.6 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 28487 | |
| 1991 | 28492 | |
| 1992 | 28496 | |
| 1993 | 28496 | |
| 1994 | 28504 | |
| 1995 | 29949 | |
| 1996 | 31170 | |
| 1997 | 31707 | |
| 1998 | 31799 | |
| 1999 | 31840 | |
| 2000 | 31868 | |
| 2001 | 31947 | |
| 2002 | 32020 | |
| 2003 | 32413 | |
| 2004 | 32510 | |
| 2005 | 33370 | |
| 2006 | 33562 | |
| 2007 | 33653 | |
| 2008 | 33669 | |
| 2009 | 33669 | |
| 2010 | 33669 | |
Source: United Nations Statistics Division
