Afghanistan
53% (2003)

Albania
25% (2004 est.)

Algeria
23% (2006 est.)

American Samoa
NA%

Andorra
NA%

Angola
40.5% (2006 est.)

Anguilla
23% (2002)

Antigua and Barbuda
NA%

Argentina
23.4% (January-June 2007)

Armenia
26.5% (2006 est.)