Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 9 | |
| 1991 | 9.2 | |
| 1992 | 9.6 | |
| 1993 | 9.7 | |
| 1994 | 10.7 | |
| 1995 | 11.1 | |
| 1996 | 11.9 | |
| 1997 | 12.9 | |
| 1998 | 14.2 | |
| 1999 | 15.1 | |
| 2000 | 16.9 | |
| 2001 | 17.8 | |
| 2002 | 20.4 | |
| 2003 | 21.2 | |
| 2004 | 22.9 | |
| 2005 | 25 | |
| 2006 | 26.3 | |
| 2007 | 26.3 | |
| 2008 | 26.3 | |
| 2009 | 26.3 | |
| 2010 | 26.3 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 764812 | |
| 1991 | 785038 | |
| 1992 | 815271 | |
| 1993 | 823875 | |
| 1994 | 913277 | |
| 1995 | 948569 | |
| 1996 | 1012262 | |
| 1997 | 1101423 | |
| 1998 | 1213636 | |
| 1999 | 1284037 | |
| 2000 | 1443970 | |
| 2001 | 1520122 | |
| 2002 | 1744419 | |
| 2003 | 1804615 | |
| 2004 | 1957211 | |
| 2005 | 2134162 | |
| 2006 | 2241980 | |
| 2007 | 2242362 | |
| 2008 | 2242362 | |
| 2009 | 2242365 | |
| 2010 | 2242365 | |
Source: United Nations Statistics Division
