adjective: Brazilian

British Virgin Islands:
noun: British Virgin Islander(s)

adjective: British Virgin Islander

Brunei:
noun: Bruneian(s)

adjective: Bruneian

Bulgaria:
noun: Bulgarian(s)

adjective: Bulgarian

Burkina Faso:
noun: Burkinabe (singular and plural)

adjective: Burkinabe

Burma:
noun: Burmese (singular and plural)

adjective: Burmese

Burundi:
noun: Burundian(s)

adjective: Burundi

Cambodia:
noun: Cambodian(s)

adjective: Cambodian

Cameroon:
noun: Cameroonian(s)

adjective: Cameroonian

Canada:
noun: Canadian(s)

adjective: Canadian

Cape Verde:
noun: Cape Verdean(s)

adjective: Cape Verdean

Cayman Islands:
noun: Caymanian(s)

adjective: Caymanian

Central African Republic:
noun: Central African(s)

adjective: Central African

Chad:
noun: Chadian(s)

adjective: Chadian

Chile:
noun: Chilean(s)

adjective: Chilean

China:
noun: Chinese (singular and plural)

adjective: Chinese

Christmas Island:
noun: Christmas Islander(s)

adjective: Christmas Island

Cocos (Keeling) Islands:
noun: Cocos Islander(s)

adjective: Cocos Islander

Colombia:
noun: Colombian(s)

adjective: Colombian

Comoros:
noun: Comoran(s)

adjective: Comoran

Congo, Democratic Republic of the:
noun: Congolese (singular and
plural)

adjective: Congolese or Congo

Congo, Republic of the:
noun: Congolese (singular and plural)

adjective: Congolese or Congo

Cook Islands:
noun: Cook Islander(s)

adjective: Cook Islander

Costa Rica:
noun: Costa Rican(s)

adjective: Costa Rican

Cote d'Ivoire:
noun: Ivorian(s)

adjective: Ivorian

Croatia:
noun: Croat(s)

adjective: Croatian

Cuba:
noun: Cuban(s)

adjective: Cuban

Cyprus:
noun: Cypriot(s)

adjective: Cypriot

Czech Republic:
noun: Czech(s)

adjective: Czech

Denmark:
noun: Dane(s)

adjective: Danish

Djibouti:
noun: Djiboutian(s)

adjective: Djiboutian

Dominica:
noun: Dominican(s)

adjective: Dominican

Dominican Republic:
noun: Dominican(s)

adjective: Dominican

Ecuador:
noun: Ecuadorian(s)

adjective: Ecuadorian

Egypt:
noun: Egyptian(s)

adjective: Egyptian

El Salvador:
noun: Salvadoran(s)

adjective: Salvadoran

Equatorial Guinea: