Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 19.3 | |
| 1991 | 19.3 | |
| 1992 | 19.3 | |
| 1993 | 19.3 | |
| 1994 | 19.3 | |
| 1995 | 19.3 | |
| 1996 | 19.3 | |
| 1997 | 19.3 | |
| 1998 | 19.4 | |
| 1999 | 19.4 | |
| 2000 | 19.4 | |
| 2001 | 19.4 | |
| 2002 | 20.4 | |
| 2003 | 20.4 | |
| 2004 | 20.4 | |
| 2005 | 20.4 | |
| 2006 | 20.4 | |
| 2007 | 20.5 | |
| 2008 | 20.6 | |
| 2009 | 20.9 | |
| 2010 | 20.9 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 220807 | |
| 1991 | 220852 | |
| 1992 | 220895 | |
| 1993 | 221098 | |
| 1994 | 221098 | |
| 1995 | 221191 | |
| 1996 | 221219 | |
| 1997 | 221294 | |
| 1998 | 221859 | |
| 1999 | 221859 | |
| 2000 | 222263 | |
| 2001 | 222263 | |
| 2002 | 233081 | |
| 2003 | 233081 | |
| 2004 | 233081 | |
| 2005 | 233238 | |
| 2006 | 233238 | |
| 2007 | 234876 | |
| 2008 | 235579 | |
| 2009 | 239263 | |
| 2010 | 239263 | |
Source: United Nations Statistics Division
