Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 5.8 | |
| 1991 | 5.8 | |
| 1992 | 6.3 | |
| 1993 | 6.4 | |
| 1994 | 6.5 | |
| 1995 | 6.7 | |
| 1996 | 6.9 | |
| 1997 | 7.1 | |
| 1998 | 7.2 | |
| 1999 | 7.3 | |
| 2000 | 7.4 | |
| 2001 | 9.3 | |
| 2002 | 9.7 | |
| 2003 | 10.3 | |
| 2004 | 11.6 | |
| 2005 | 13.2 | |
| 2006 | 13.6 | |
| 2007 | 14.3 | |
| 2008 | 15.7 | |
| 2009 | 16.2 | |
| 2010 | 16.2 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 7645 | |
| 1991 | 7753 | |
| 1992 | 8402 | |
| 1993 | 8506 | |
| 1994 | 8630 | |
| 1995 | 8901 | |
| 1996 | 9125 | |
| 1997 | 9490 | |
| 1998 | 9606 | |
| 1999 | 9652 | |
| 2000 | 9805 | |
| 2001 | 12385 | |
| 2002 | 12834 | |
| 2003 | 13638 | |
| 2004 | 15431 | |
| 2005 | 17523 | |
| 2006 | 18111 | |
| 2007 | 19031 | |
| 2008 | 20814 | |
| 2009 | 21577 | |
| 2010 | 21577 | |
Source: United Nations Statistics Division
