Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 6 | |
| 1991 | 6.1 | |
| 1992 | 6.3 | |
| 1993 | 6.8 | |
| 1994 | 6.8 | |
| 1995 | 7.1 | |
| 1996 | 7.2 | |
| 1997 | 7.3 | |
| 1998 | 7.5 | |
| 1999 | 7.5 | |
| 2000 | 10.2 | |
| 2001 | 10.3 | |
| 2002 | 10.5 | |
| 2003 | 10.6 | |
| 2004 | 10.6 | |
| 2005 | 10.7 | |
| 2006 | 10.7 | |
| 2007 | 10.8 | |
| 2008 | 10.9 | |
| 2009 | 10.9 | |
| 2010 | 10.9 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 27096 | |
| 1991 | 27257 | |
| 1992 | 28503 | |
| 1993 | 30309 | |
| 1994 | 30477 | |
| 1995 | 32103 | |
| 1996 | 32308 | |
| 1997 | 32967 | |
| 1998 | 33547 | |
| 1999 | 33890 | |
| 2000 | 45924 | |
| 2001 | 46111 | |
| 2002 | 47098 | |
| 2003 | 47503 | |
| 2004 | 47750 | |
| 2005 | 48021 | |
| 2006 | 48230 | |
| 2007 | 48448 | |
| 2008 | 48868 | |
| 2009 | 48868 | |
| 2010 | 48868 | |
Source: United Nations Statistics Division
