(2005 est.)

Bhutan
males age 18-49: 483,860
females age 18-49: 453,683 (2005 est.)

Bolivia
males age 18-49: 1,923,234
females age 18-49: 2,007,315 (2005 est.)

Bosnia and Herzegovina
males age 18-49: 1,119,508
females age 18-49: 1,079,435 (2005 est.)

Botswana
males age 18-49: 350,649
females age 18-49: 361,642 (2005 est.)

Brazil
males age 19-49: 45,586,036
females age 19-49: 45,728,704 (2005 est.)

British Virgin Islands
males age 18-49: 6,410 (2005 est.)

Brunei
males age 18-49: 103,885
females age 18-49: 93,024 (2005 est.)

Bulgaria
males age 18-49: 1,661,211
females age 18-49: 1,660,982 (2005 est.)

Burkina Faso
males age 18-49: 2,651,687 (2005 est.)

Burma
males age 18-49: 12,268,850
females age 18-49: 12,469,771 (2005 est.)

Burundi
males age 16-49: 1,676,855
females age 16-49: 1,656,366 (2005 est.)

Cambodia
males age 18-49: 3,002,718
females age 18-49: 3,108,254 (2005 est.)

Cameroon
males age 18-49: 3,525,307
females age 18-49: 3,461,406 (2005 est.)

Canada
males age 16-49: 8,216,510
females age 16-49: 8,034,939 (2005 est.)

Cape Verde
males age 18-49: 84,641
females age 18-49: 87,310 (2005 est.)

Cayman Islands
males age 18-49: 10,703 (2005 est.)

Central African Republic
males age 18-49: 853,760
females age 18-49: 835,426 (2005 est.)

Chad
males age 20-49: 1,527,580
females age 20-49: 1,629,510 (2005 est.)

Chile
males age 18-49: 3,815,761
females age 18-49: 3,780,864 (2005 est.)

China
males age 18-49: 342,956,265
females age 18-49: 324,701,244 (2005 est.)

Colombia
males age 18-49: 10,212,456
females age 18-49: 10,561,562 (2005 est.)

Comoros
males age 18-49: 138,940
females age 18-49: 139,491 (2005 est.)

Congo, Democratic Republic of the
males age 18-49: 11,365,610 (2005
est.)

Congo, Republic of the
males age 18-49: 688,628
females age 18-49: 685,388 (2005 est.)

Costa Rica
males age 18-49: 997,690
females age 18-49: 968,290 (2005 est.)

Cote d'Ivoire
males age 18-49: 3,696,106
females age 18-49: 3,569,967 (2005 est.)

Croatia
males age 18-49: 1,005,058
females age 18-49: 1,008,511 (2005 est.)

Cuba
males age 17-49: 2,967,865
females age 17-49: 2,913,559 (2005 est.)

Cyprus
Greek Cyriot National Guard (GCNG):
males age 18-49: 184,352
females age 18-49: 175,567 (2005 est.)

Czech Republic
males age 18-49: 2,414