Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 10 | |
| 1991 | 10.3 | |
| 1992 | 10.8 | |
| 1993 | 10.9 | |
| 1994 | 10.9 | |
| 1995 | 10.9 | |
| 1996 | 11.1 | |
| 1997 | 12 | |
| 1998 | 12.8 | |
| 1999 | 13.6 | |
| 2000 | 13.6 | |
| 2001 | 13.6 | |
| 2002 | 13.6 | |
| 2003 | 13.6 | |
| 2004 | 14.1 | |
| 2005 | 14.1 | |
| 2006 | 14.1 | |
| 2007 | 14.1 | |
| 2008 | 14.2 | |
| 2009 | 14.2 | |
| 2010 | 14.2 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 191254 | |
| 1991 | 195526 | |
| 1992 | 206205 | |
| 1993 | 207189 | |
| 1994 | 207189 | |
| 1995 | 207980 | |
| 1996 | 210666 | |
| 1997 | 229252 | |
| 1998 | 244593 | |
| 1999 | 258342 | |
| 2000 | 258342 | |
| 2001 | 258352 | |
| 2002 | 259078 | |
| 2003 | 259078 | |
| 2004 | 269599 | |
| 2005 | 269663 | |
| 2006 | 269663 | |
| 2007 | 269663 | |
| 2008 | 269774 | |
| 2009 | 269774 | |
| 2010 | 269774 | |
Source: United Nations Statistics Division