Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 3.3 | |
| 1991 | 3.3 | |
| 1992 | 3.3 | |
| 1993 | 3.3 | |
| 1994 | 3.5 | |
| 1995 | 3.6 | |
| 1996 | 4.4 | |
| 1997 | 5.2 | |
| 1998 | 5.7 | |
| 1999 | 6.1 | |
| 2000 | 6.6 | |
| 2001 | 11.3 | |
| 2002 | 11.4 | |
| 2003 | 13.7 | |
| 2004 | 13.7 | |
| 2005 | 13.7 | |
| 2006 | 13.8 | |
| 2007 | 13.8 | |
| 2008 | 13.8 | |
| 2009 | 13.8 | |
| 2010 | 13.8 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 997 | |
| 1991 | 1001 | |
| 1992 | 1002 | |
| 1993 | 1013 | |
| 1994 | 1085 | |
| 1995 | 1098 | |
| 1996 | 1359 | |
| 1997 | 1606 | |
| 1998 | 1740 | |
| 1999 | 1856 | |
| 2000 | 2022 | |
| 2001 | 3479 | |
| 2002 | 3482 | |
| 2003 | 4207 | |
| 2004 | 4211 | |
| 2005 | 4217 | |
| 2006 | 4219 | |
| 2007 | 4221 | |
| 2008 | 4225 | |
| 2009 | 4225 | |
| 2010 | 4225 | |
Source: United Nations Statistics Division
