Sovereign-state flags in 1975

Sovereign states

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Afghanistan
 
Albania
 
Algeria
 
Andorra
 
Angola (from 11 November)
 
Argentina
 
Armenian Soviet Socialist Republic
 
Australia
 
Austria
 
Azerbaijan Soviet Socialist Republic
 
Bahamas
 
Bahrain
 
Bangladesh
 
Barbados
 
Belgium
 
Benin (from 30 November)
 
Bhutan
 
Bolivia
 
Botswana
 
Brazil
 
Bulgaria
 
Burma
 
Burundi
 
Byelorussian Soviet Socialist Republic
 
Cameroon (until 20 May)
 
Cameroon (from 20 May)
 
Canada
 
Cape Verde (from 5 July)
 
Central African Republic
 
Chad
 
Chile
 
People's Republic of China
 
Colombia
 
Comoros (from 6 July)
 
Comoros (from 12 November)
 
People's Republic of the Congo
 
Costa Rica
 
Cuba
 
Cyprus
 
Czechoslovakia
 
Dahomey (until 30 November)
 
Denmark
 
Dominican Republic
 
Ecuador
 
Egypt
 
El Salvador
 
Equatorial Guinea
 
Estonian Soviet Socialist Republic
 
Ethiopia (until 1 January)
 
Ethiopia (until 21 March)
 
Ethiopia (from 12 September)
 
Fiji
 
Finland
 
France
 
Gabon
 
Gambia
 
East Germany
 
West Germany
 
Georgian Soviet Socialist Republic
 
Ghana
 
Greece (until 7 June)
 
Greece (from 7 June)
 
Grenada
 
Guatemala
 
Guinea
 
Guinea-Bissau
 
Guyana
 
Haiti
 
Honduras
 
Hungary
 
Iceland
 
India
 
Indonesia
 
Iran
 
Iraq
 
Ireland
 
Israel
 
Italy
 
Ivory Coast
 
Jamaica
 
Japan
 
Jordan
 
Kampuchea (from 17 April)
 
Kazakh Soviet Socialist Republic
 
Kenya
 
Khmer Republic (until 17 April)
 
Kirghiz Soviet Socialist Republic
 
North Korea
 
South Korea
 
Kuwait
 
Laos (until 2 December)
 
Latvian Soviet Socialist Republic
 
Laos (from 2 December)
 
Lebanon
 
Lesotho
 
Liberia
 
Libya
 
Liechtenstein
 
Lithuanian Soviet Socialist Republic
 
Luxembourg
 
Malagasy Republic (until 30 December)/Madagascar (from 30 December)
 
Malawi
 
Malaysia
 
Maldives
 
Mali
 
Malta
 
Mauritania
 
Mauritius
 
Mexico
 
Moldavian Soviet Socialist Republic
 
Monaco
 
Mongolia
 
Morocco
 
Mozambique (from 25 June)
 
Nauru
 
Nepal
 
Netherlands
 
New Zealand
 
Nicaragua
 
Niger
 
Nigeria
 
Norway
 
Oman
 
Pakistan
 
Panama
 
Papua New Guinea (from 16 September)
 
Paraguay
 
Paraguay
 
Peru
 
Philippines
 
Poland
 
Portugal
 
Qatar
 
Rhodesia
 
Romania
 
Russian Soviet Federative Socialist Republic
 
Rwanda
 
San Marino
 
São Tomé and Príncipe (from 12 July)
 
Saudi Arabia
 
Senegal
 
Sierra Leone
 
Singapore
 
Somalia
 
South Africa
 
Spain
 
Sri Lanka
 
Sudan
 
Suriname (from 25 November)
 
Swaziland
 
Sweden
 
Switzerland
 
Syria
 
Taiwan
 
Tajik Soviet Socialist Republic
 
Tanzania
 
Thailand
 
Togo
 
Tonga
 
Trinidad and Tobago
 
Tunisia
 
Turkey
 
Turkmen Soviet Socialist Republic
 
Uganda
 
Ukrainian Soviet Socialist Republic
 
Union of Soviet Socialist Republic
 
United Arab Emirates
 
United Kingdom
 
United States of America
 
Upper Volta
 
Uruguay
 
Uzbek Soviet Socialist Republic
 
Vatican City
 
Venezuela
 
North Vietnam
 
South Vietnam (until 30 April)
 
South Vietnam (from 30 April)
 
Western Samoa
 
North Yemen
 
South Yemen
 
Yugoslavia
 
Zaire
 
Zambia

Colonies, concessions, possessions, protectorates, mandates and territories

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Australian Antarctic Territory (Australia)
 
Christmas Island (Australia)
 
Cocos (Keeling) Islands (Australia)
 
Coral Sea Islands (Australia)
 
Heard Island and McDonald Islands (Australia)
 
Jervis Bay Territory (Australia)
 
Norfolk Island (Australia)
 
Papua and New Guinea (until 16 September; Australia)
 
Faroe Islands (Denmark)
 
Ã…land Islands (Finland)
 
Comoros (until 6 July; France)
 
Clipperton Island (France)
 
French Afars and Issas (France)
 
French Guiana (France)
 
French Polynesia (until mid-1975; France)
 
French Polynesia (from mid-1975; France)
 
French Southern and Antarctic Lands (France)
 
Gambier Islands (France)
 
Guadeloupe (France)
 
Martinique (France)
 
New Caledonia (France)
 
New Hebrides (France)
 
Réunion (France)
 
Saint Pierre and Miquelon (France)
 
Wallis and Futuna (France)
 
Sikkim (until 16 May; India)
 
Netherlands Antilles (Netherlands)
 
Suriname (until 25 November; Netherlands)
 
Cook Islands (New Zealand)
 
Niue (until 15 October; New Zealand)
 
Niue (from 15 October; New Zealand)
 
Ross Dependency (New Zealand)
 
Tokelau Islands (New Zealand)
 
Bouvet Island (Norway)
 
Jan Mayen (Norway)
 
Peter I Island (Norway)
 
Queen Maud Land (Norway)
 
Svalbard (Norway)
 
Portuguese Angola (until 11 November; Portugal)
 
Portuguese Cape Verde (until 5 July; Portugal)
 
Portuguese Macau (Portugal)
 
Portuguese Mozambique (until 25 June; Portugal)
 
Portuguese São Tomé and Príncipe (until 12 July; Portugal)
 
Portuguese Timor (until 28 November; Portugal)
 
South West Africa (South Africa)
 
Canary Islands (Spain)
 
Ceuta (Spain)
 
Spanish Sahara (Spain)
 
Akrotiri and Dhekelia (United Kingdom)
 
Antigua (United Kingdom)
 
Belize (United Kingdom)
 
Bermuda (United Kingdom)
 
British Antarctic Territory (United Kingdom)
 
British Indian Ocean Territory (United Kingdom)
 
British Virgin Islands (United Kingdom)
 
British Western Pacific Territories (United Kingdom)
 
Brunei (United Kingdom)
 
Canton and Enderbury Islands ​(United Kingdom and United States)
 
Cayman Islands (United Kingdom)
 
Dominica (United Kingdom)
 
Falkland Islands (United Kingdom)
 
Gibraltar (United Kingdom)
 
Gilbert and Ellice Islands (United Kingdom)
 
Guernsey (United Kingdom)
 
Herm (United Kingdom)
 
Hong Kong (United Kingdom)
 
Isle of Man (United Kingdom)
 
Jersey (United Kingdom)
 
Montserrat (United Kingdom)
 
New Hebrides (United Kingdom)
 
Pitcairn Islands (United Kingdom)
 
Saint Christopher-Nevis-Anguilla (United Kingdom)
 
Saint Helena (United Kingdom)
 
Saint Lucia (United Kingdom)
 
Saint Vincent (United Kingdom)
 
Sark (United Kingdom)
 
Seychelles (United Kingdom)
 
Turks and Caicos Islands (United Kingdom)
 
American Samoa (United States)
 
Baker Island (United States)
 
Guam (United States)
 
Howland Island (United States)
 
Jarvis Island (United States)
 
Johnston Atoll (United States)
 
Kingman Reef (United States)
 
Midway Atoll (United States)
 
Navassa Island (United States)
 
Northern Mariana Islands (United States)
 
Palmyra Atoll (United States)
 
Panama Canal Zone (United States)
 
Petrel Islands (United States)
 
Puerto Rico (United States)
 
Quita Sueno Bank (United States)
 
Roncador Bank (United States)
 
Serrana Bank (United States)
 
Serranilla Bank (United States)
 
Trust Territory of the Pacific Islands (United States)
 
United States Virgin Islands (United States)
 
Wake Island (United States)

Australian states

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Aboriginal Australians
 
New South Wales
 
Queensland
 
South Australia
 
Tasmania
 
Victoria
 
Western Australia

Canadian states

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Alberta
 
British Columbia
 
Manitoba
 
New Brunswick
 
Newfoundland
 
Northwest Territories
 
Nova Scotia
 
Ontario
 
Prince Edward Island
 
Quebec
 
Saskatchewan
 
Yukon Territory

Sovereign U.S. states

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Alabama
 
Alaska
 
Arizona
 
Arkansas
 
California
 
Colorado
 
Connecticut
 
Delaware
 
Florida
 
Georgia
 
Hawaii
 
Idaho
 
Illinois
 
Indiana
 
Iowa
 
Kansas (until 2 February)
 
Kansas (from 2 February)
 
Kentucky
 
Louisiana
 
Maine
 
Maryland
 
Massachusetts
 
Michigan
 
Minnesota
 
Mississippi
 
Missouri
 
Montana
 
Nebraska
 
Nevada
 
New Hampshire
 
New Jersey
 
New Mexico
 
New York
 
North Carolina
 
North Dakota
 
Ohio
 
Oklahoma
 
Oregon
 
Pennsylvania
 
Rhode Island
 
South Carolina
 
South Dakota
 
Tennessee
 
Texas
 
Utah
 
Vermont
 
Virginia
 
Washington
 
West Virginia
 
Wisconsin
 
Wyoming

Non-UN members or observers

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Northern Cyprus
 
Timor Timur (from 7 December)

Other entities

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Democratic People's Republic of Angola (from 11 February)
 
Cabinda (from 1 August)
 
Comoros (6 July to 12 November)
 
East Timor (28 November to 7 December)
 
North Solomons (from 1 September)
 
Rwenzururu
 
San Juan
 
Sumatra
 
Tibet

International organizations

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African and Malagasy Union
 
Association of Southeast Asian Nations
 
CARICOM
 
Comecon
 
European Coal and Steel Community
 
European Union
 
Federation of Vexillological Associations
 
Latin American Parliament
 
League of Arab States
 
North Atlantic Treaty Organization
 
Olympic Movement
 
Organization of African Unity
 
Organization of American States
 
Organization of the Petroleum Exporting Countries
 
Red Crescent
 
Red Cross
 
Red Lion and Sun
 
Red Magen David
 
Scout Movement
 
Southeast Asia Treaty Organization
 
United Nations

Other culturals

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Buddhism
 
Esperanto
 
Mohawk Warrior Society
 
Pan-African Flag
 
Romani