Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 1.7 | |
| 1991 | 1.9 | |
| 1992 | 1.9 | |
| 1993 | 2.1 | |
| 1994 | 2.3 | |
| 1995 | 2.3 | |
| 1996 | 2.3 | |
| 1997 | 2.3 | |
| 1998 | 2.3 | |
| 1999 | 2.3 | |
| 2000 | 2.3 | |
| 2001 | 2.3 | |
| 2002 | 2.3 | |
| 2003 | 2.5 | |
| 2004 | 2.5 | |
| 2005 | 2.5 | |
| 2006 | 2.5 | |
| 2007 | 2.5 | |
| 2008 | 2.5 | |
| 2009 | 2.5 | |
| 2010 | 2.5 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 200 | |
| 1991 | 216 | |
| 1992 | 216 | |
| 1993 | 243 | |
| 1994 | 263 | |
| 1995 | 263 | |
| 1996 | 263 | |
| 1997 | 263 | |
| 1998 | 263 | |
| 1999 | 263 | |
| 2000 | 263 | |
| 2001 | 263 | |
| 2002 | 263 | |
| 2003 | 285 | |
| 2004 | 285 | |
| 2005 | 285 | |
| 2006 | 285 | |
| 2007 | 285 | |
| 2008 | 285 | |
| 2009 | 285 | |
| 2010 | 285 | |
Source: United Nations Statistics Division