Bhutan
18 years of age for voluntary military service; no
conscription (2001)
Bolivia
18 years of age for voluntary military service; when annual
number of volunteers falls short of goal, compulsory recruitment is
effected, including conscription of boys as young as 14; one
estimate holds that 40% of the armed forces are under the age of 18,
with 50% of those under the age of 16; conscript tour of duty - 12
months (2002)
Bosnia and Herzegovina
18 years of age for compulsory military
service in the Federation of Bosnia and Herzegovina; 16 years of age
in times of war; 18 years of age for Republika Srpska; 17 years of
age for voluntary military service in the Federation and in the
Republika Srpska; by law, military obligations cover all healthy men
between the ages of 18 and 60, and all women between the ages of 18
and 55; service obligation is four months (July 2004)
Botswana
18 is the apparent age of voluntary military service; the
official qualifications for determining minimum age are unknown
(2001)
Brazil
21-45 years of age for compulsory military service; conscript
service obligation - nine to 12 months; 17-45 years of age for
voluntary service; an increasing percentage of the ranks are
"long-service" volunteer professionals; women were allowed to serve
in the armed forces beginning in early 1980s when the Brazilian Army
became the first army in South America to accept women into career
ranks; women serve in Navy and Air Force only in Women's Reserve
Corps (2001)
Brunei
18 years of age (est.) (2004)
Bulgaria
18 years of age for compulsory and voluntary military
service; conscript service obligation - 9 months; as of May 2006,
67% of the Bulgarian Army comprised of professional soldiers;
conscription into the Army to end as of 1 January 2008; Air and Air
Defense Forces and Naval Forces will become fully professional by
end of 2006 (2006)
Burkina Faso
18 years of age for compulsory military service; 20
years of age for voluntary military service (2001)
Burma
18 years of age for voluntary military service for both sexes
(2004)
Burundi
16 years of age for compulsory and voluntary military
service (2001)