Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 2 | |
| 1991 | 2.5 | |
| 1992 | 3.1 | |
| 1993 | 3.1 | |
| 1994 | 3.2 | |
| 1995 | 4.1 | |
| 1996 | 4.1 | |
| 1997 | 4.1 | |
| 1998 | 4.1 | |
| 1999 | 4.1 | |
| 2000 | 4.5 | |
| 2001 | 4.6 | |
| 2002 | 9 | |
| 2003 | 9.1 | |
| 2004 | 9.1 | |
| 2005 | 9.1 | |
| 2006 | 9.1 | |
| 2007 | 9.1 | |
| 2008 | 9.2 | |
| 2009 | 9.2 | |
| 2010 | 9.2 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 2228 | |
| 1991 | 2758 | |
| 1992 | 3479 | |
| 1993 | 3480 | |
| 1994 | 3489 | |
| 1995 | 4573 | |
| 1996 | 4574 | |
| 1997 | 4579 | |
| 1998 | 4579 | |
| 1999 | 4581 | |
| 2000 | 4973 | |
| 2001 | 5073 | |
| 2002 | 9950 | |
| 2003 | 10039 | |
| 2004 | 10052 | |
| 2005 | 10061 | |
| 2006 | 10076 | |
| 2007 | 10086 | |
| 2008 | 10187 | |
| 2009 | 10187 | |
| 2010 | 10187 | |
Source: United Nations Statistics Division