Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 22 | |
| 1991 | 22.3 | |
| 1992 | 22.6 | |
| 1993 | 22.9 | |
| 1994 | 23.4 | |
| 1995 | 23.7 | |
| 1996 | 23.9 | |
| 1997 | 23.9 | |
| 1998 | 24 | |
| 1999 | 24 | |
| 2000 | 24.3 | |
| 2001 | 24.6 | |
| 2002 | 25.1 | |
| 2003 | 26.1 | |
| 2004 | 26.1 | |
| 2005 | 26.2 | |
| 2006 | 26.3 | |
| 2007 | 26.4 | |
| 2008 | 26.4 | |
| 2009 | 26.4 | |
| 2010 | 26.4 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 54189 | |
| 1991 | 54933 | |
| 1992 | 55639 | |
| 1993 | 56429 | |
| 1994 | 57648 | |
| 1995 | 58194 | |
| 1996 | 58821 | |
| 1997 | 58912 | |
| 1998 | 58998 | |
| 1999 | 59133 | |
| 2000 | 59841 | |
| 2001 | 60483 | |
| 2002 | 61818 | |
| 2003 | 64188 | |
| 2004 | 64252 | |
| 2005 | 64513 | |
| 2006 | 64771 | |
| 2007 | 64847 | |
| 2008 | 64851 | |
| 2009 | 64851 | |
| 2010 | 64851 | |
Source: United Nations Statistics Division
