Belarus
30.4 (2000)

Belgium
25 (1996)

Bolivia
60.6 (2002)

Bosnia and Herzegovina
26.2 (2001)

Botswana
63 (1993)

Brazil
56.7 (2005)

Bulgaria
29.2 (2003)

Burkina Faso
48.2 (1998)

Burundi
33.3 (1998)

Cambodia
40 (2004 est.)