Terrestrial areas protected to total surface area, percentage
| Year | Value | Footnotes |
|---|
| 1990 | 8.8 | 1 |
| 1991 | 8.9 | 1 |
| 1992 | 9.3 | 1 |
| 1993 | 9.3 | 1 |
| 1994 | 9.3 | 1 |
| 1995 | 14.3 | 1 |
| 1996 | 14.3 | 1 |
| 1997 | 18 | 1 |
| 1998 | 18 | 1 |
| 1999 | 18 | 1 |
| 2000 | 18.2 | 1 |
| 2001 | 18.2 | 1 |
| 2002 | 18.2 | 1 |
| 2003 | 18.3 | 1 |
| 2004 | 18.5 | 1 |
| 2005 | 18.5 | 1 |
| 2006 | 18.5 | 1 |
| 2007 | 18.5 | 1 |
| 2008 | 18.5 | 1 |
| 2009 | 18.5 | 1 |
| 2010 | 18.5 | 1 |
Terrestrial areas protected, sq. km.
| Year | Value | Footnotes |
|---|
| 1990 | 95482 | 1 |
| 1991 | 96831 | 1 |
| 1992 | 100862 | 1 |
| 1993 | 101479 | 1 |
| 1994 | 101479 | 1 |
| 1995 | 156262 | 1 |
| 1996 | 156281 | 1 |
| 1997 | 196041 | 1 |
| 1998 | 196051 | 1 |
| 1999 | 196051 | 1 |
| 2000 | 197971 | 1 |
| 2001 | 197971 | 1 |
| 2002 | 198007 | 1 |
| 2003 | 199068 | 1 |
| 2004 | 201711 | 1 |
| 2005 | 201711 | 1 |
| 2006 | 201711 | 1 |
| 2007 | 201711 | 1 |
| 2008 | 201711 | 1 |
| 2009 | 201711 | 1 |
| 2010 | 201711 | 1 |
Source: United Nations Statistics Division
