Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 13.5 | |
| 1991 | 13.6 | |
| 1992 | 13.7 | |
| 1993 | 13.8 | |
| 1994 | 13.9 | |
| 1995 | 14 | |
| 1996 | 14.3 | |
| 1997 | 14.5 | |
| 1998 | 14.6 | |
| 1999 | 14.9 | |
| 2000 | 15.5 | |
| 2001 | 16.3 | |
| 2002 | 16.6 | |
| 2003 | 16.6 | |
| 2004 | 16.6 | |
| 2005 | 16.6 | |
| 2006 | 16.6 | |
| 2007 | 16.6 | |
| 2008 | 16.6 | |
| 2009 | 16.6 | |
| 2010 | 16.6 | |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 1267366 | |
| 1991 | 1270135 | |
| 1992 | 1278661 | |
| 1993 | 1289313 | |
| 1994 | 1302856 | |
| 1995 | 1309590 | |
| 1996 | 1342840 | |
| 1997 | 1355470 | |
| 1998 | 1368567 | |
| 1999 | 1391553 | |
| 2000 | 1447885 | |
| 2001 | 1524769 | |
| 2002 | 1555234 | |
| 2003 | 1556010 | |
| 2004 | 1556646 | |
| 2005 | 1556668 | |
| 2006 | 1556898 | |
| 2007 | 1557405 | |
| 2008 | 1557431 | |
| 2009 | 1557431 | |
| 2010 | 1557431 | |
Source: United Nations Statistics Division
