Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 4.6 | |
| 1991 | 4.8 | |
| 1992 | 5.1 | |
| 1993 | 5.2 | |
| 1994 | 5.3 | |
| 1995 | 5.3 | |
| 1996 | 5.4 | |
| 1997 | 5.5 | |
| 1998 | 5.5 | |
| 1999 | 5.5 | |
| 2000 | 5.5 | |
| 2001 | 5.5 | |
| 2002 | 5.5 | |
| 2003 | 5.5 | |
| 2004 | 5.5 | |
| 2005 | 5.5 | |
| 2006 | 5.5 | |
| 2007 | 5.5 | |
| 2008 | 5.5 | |
| 2009 | 5.5 | |
| 2010 | 5.5 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 128921 | |
| 1991 | 134069 | |
| 1992 | 142102 | |
| 1993 | 144760 | |
| 1994 | 146963 | |
| 1995 | 147651 | |
| 1996 | 150131 | |
| 1997 | 152101 | |
| 1998 | 152101 | |
| 1999 | 152101 | |
| 2000 | 152101 | |
| 2001 | 152257 | |
| 2002 | 152257 | |
| 2003 | 152257 | |
| 2004 | 152257 | |
| 2005 | 152257 | |
| 2006 | 152257 | |
| 2007 | 152257 | |
| 2008 | 152257 | |
| 2009 | 152257 | |
| 2010 | 152257 | |
Source: United Nations Statistics Division
