females age 15-49: 755,149 (2001 est.)
Bhutan:
males age 15-49: 269,251 (2001 est.)
Bolivia:
males age 15-49: 1,306,452 (2001 est.)
Bosnia and Herzegovina:
males age 15-49: 895,780 (2001 est.)
Botswana:
males age 15-49: 199,995 (2001 est.)
Brazil:
males age 15-49: 32,388,786 (2001 est.)
Brunei:
males age 15-49: 61,640 (2001 est.)
Bulgaria:
males age 15-49: 1,581,697 (2001 est.)
Burkina Faso:
males age 15-49: 1,329,995 (2001 est.)
Burma:
males age 15-49: 6,425,514