Flag Facts

Flags can look simple at a glance, but their construction is precise. Proportion, field layout, colour placement, charges, emblems and the position of each element can all be part of the design. This page uses the structured WorldFlags.online dataset to explain those features and to show patterns across the current geographic, historical and non-national collections.

The page is intentionally different from a list of disconnected trivia. Explanatory sections show how flags are constructed and classified; the fact lists then use the current site dataset to quantify patterns that can be checked against the individual records.

What the collection contains

WorldFlags.online keeps current geographic flags separate from historical, organisational, political, identity, religious, regional and signal designs. That distinction matters: a national flag, a state flag and the emblem of an international organisation do not have the same legal or political status.

The numbers below describe the records bundled with the current theme. They are calculated from the library rather than typed into the article, so additions or corrections can change the totals without leaving this page out of date.

Current geographic records: 313 current geographic flag records are included in the main library.
Country records: 194 records are classified as countries.
Territories and dependencies: 56 records are classified as territories or dependencies.
United States state flags: 50 records are U.S. state flags and are labelled as states rather than countries.
Regional or constituent flags: 13 current records use the regional or constituent-area classification.
Historical and non-national records: 119 records are kept in the separate historical and non-national library.
Total structured flag records: Together, the two libraries contain 432 structured flag records.

Explore next: browse all current flags · browse historical and non-national flags

How to read a flag

A flag description becomes much easier to understand once a few construction terms are clear. The hoist is the edge attached to the pole; the fly is the free edge. The field is the main background. A canton is a distinct area in the upper hoist, while a charge is a symbol placed on the field. A cross, star, crescent, coat of arms, animal or plant can all function as charges.

Proportion describes the relationship between height and length. A 2:3 flag is two units high for every three units long; a 1:2 flag is twice as long as it is high. Proportion is part of a flag specification, not a cosmetic setting. Stretching artwork into another ratio can change the intended geometry even when every colour remains correct.

Design families on this site describe visible construction, not ancestry. Two flags can both be horizontal tricolours without sharing a historical origin. The same caution applies to colour: red, white and blue appearing together does not prove that two flags use those colours for the same reason.

Hoist: The hoist is the side of the flag nearest the pole or attachment point.
Fly: The fly is the outer edge, opposite the hoist.
Field: The field is the principal background area on which stripes, charges or emblems are placed.
Canton: A canton is a distinct panel occupying a corner of the flag, usually the upper hoist.
Charge: A charge is an emblem, object or geometric device placed on a flag field.
Ensign: An ensign is a flag associated with ships or maritime service; some national systems use different civil, state or naval ensigns.
Vexillology: Vexillology is the study of flags, including their design, history, use and symbolism.
Symbolism needs context: A colour or emblem can carry different meanings on different flags, so interpretation should come from the record for that flag rather than from a universal colour dictionary.

Explore next: browse design families · browse symbol groups

Proportions and construction

Flags are not all built on the same rectangle. The ratio affects stripe width, emblem placement and the balance of the whole design. This is why the comparison tool treats proportion as a first-class field instead of resizing every flag into one common shape.

The list below shows the most frequently represented ratios in the current geographic dataset. A count describes this collection only; it should not be read as a claim about every flag ever used.

2:3 proportion: 138 current records use a 2:3 ratio. Examples include Antigua and Barbuda, Aruba, Barbados, Belize and Bonaire, Sint Eustatius and Saba.
1:2 proportion: 87 current records use a 1:2 ratio. Examples include Anguilla, Bahamas, Bermuda, Canada and Cayman Islands.
3:5 proportion: 33 current records use a 3:5 ratio. Examples include Costa Rica, Grenada, Haiti, Nicaragua and Trinidad and Tobago.
10:19 proportion: 7 current records use a 10:19 ratio. Examples include United States of America, Kentucky, West Virginia, Liberia and Federated States of Micronesia.
8:11 proportion: 5 current records use a 8:11 ratio. Examples include Bouvet Island, Israel, Faroe Islands, Norway and Svalbard and Jan Mayen.
5:8 proportion: 4 current records use a 5:8 ratio. Examples include Guatemala, Sweden, Poland and Palau.
3:4 proportion: 4 current records use a 3:4 ratio. Examples include Democratic Republic of the Congo, Gabon, San Marino and Papua New Guinea.
7:10 proportion: 3 current records use a 7:10 ratio. Examples include Wyoming, Brazil and Andorra.
1:1 proportion: 3 current records use a 1:1 ratio. Examples include Alabama, Holy See and Switzerland.
26:33 proportion: 2 current records use a 26:33 ratio. Examples include Maine and North Dakota.
11:18 proportion: 2 current records use a 11:18 ratio. Examples include Idaho and Finland.
4:7 proportion: 2 current records use a 4:7 ratio. Examples include Mexico and Iran.
5:7 proportion: 2 current records use a 5:7 ratio. Examples include Albania and Kosovo.
29:33 proportion: 1 current record uses a 29:33 ratio: Rhode Island.
8:13 proportion: 1 current record uses a 8:13 ratio: Ohio.
7:12 proportion: 1 current record uses a 7:12 ratio: Missouri.
125:177 proportion: 1 current record uses a 125:177 ratio: Alaska.
phi:1 proportion: 1 current record uses a phi:1 ratio: Togo.
189:335 proportion: 1 current record uses a 189:335 ratio: El Salvador.
11:28 proportion: 1 current record uses a 11:28 ratio: Qatar.

Explore next: compare two flags side by side

Colour use across the collection

Colour is useful for recognition, but it is also one of the easiest parts of flag research to oversimplify. Similar-looking reds or blues can have different official specifications, and an emblem can introduce colours that occupy only a small part of the artwork.

WorldFlags.online stores palette values with the flag record and uses broad colour tags for browsing. Those tags are visual categories. They do not automatically assert that every red, green or black area has the same symbolic meaning.

White in the stored palette: 233 current records are tagged with white. Examples include Anguilla, Antigua and Barbuda, Aruba, Belize and Bermuda.
Red in the stored palette: 230 current records are tagged with red. Examples include Anguilla, Antigua and Barbuda, Aruba, Belize and Bermuda.
Blue in the stored palette: 196 current records are tagged with blue. Examples include Anguilla, Antigua and Barbuda, Aruba, Bahamas and Barbados.
Yellow in the stored palette: 154 current records are tagged with yellow. Examples include Antigua and Barbuda, Aruba, Bahamas, Barbados and Bermuda.
Green in the stored palette: 112 current records are tagged with green. Examples include Belize, Bermuda, Cayman Islands, Dominica and Grenada.
Black in the stored palette: 47 current records are tagged with black. Examples include Antigua and Barbuda, Bahamas, Barbados, Dominica and Jamaica.
Orange in the stored palette: 11 current records are tagged with orange. Examples include Anguilla, Arizona, Côte d\'Ivoire, Niger and Zambia.
Brown in the stored palette: 10 current records are tagged with brown. Examples include California, Delaware, Illinois, New Jersey and Oklahoma.
Grey in the stored palette: 4 current records are tagged with grey. Examples include Nevada, Holy See, Malta and Northern Mariana Islands.
Purple in the stored palette: 1 current record is tagged with purple: Dominica.
One stored colour: 0 current records contain one stored palette colour.
Two stored colours: 60 current records contain two stored palette colours.
Three stored colours: 152 current records contain three stored palette colours.
Four stored colours: 81 current records contain four stored palette colours.
Five or more stored colours: 20 current records contain five or more stored palette colours.

Explore next: browse flags by colour

Design families

A design family is a visual classification. It answers questions such as whether the flag is a horizontal triband, vertical tricolour, Nordic cross, saltire, ensign, plain field with an emblem, or a more complex combination of bands and shapes.

Grouping flags this way is useful when a visitor recognises the structure but cannot remember the name. It also makes comparison easier without claiming a historical connection that the record does not support.

Plain field with a central emblem: 71 current flags are grouped in this design family. Examples include Aruba, Belize, Curaçao, Virgin Islands (U.S.) and Alaska.
Horizontal tricolour: 33 current flags are grouped in this design family. Examples include Bonaire, Sint Eustatius and Saba, El Salvador, Honduras, Nicaragua and Bolivia.
Vertical tricolour: 28 current flags are grouped in this design family. Examples include Guadeloupe, Guatemala, Martinique, Mexico and Saint Barthélemy.
British-style ensign: 23 current flags are grouped in this design family. Examples include Anguilla, Bermuda, Cayman Islands, Montserrat and Turks and Caicos Islands.
Horizontal tricolour with a central emblem: 20 current flags are grouped in this design family. Examples include Colorado, Missouri, Argentina, Ethiopia and Kenya.
Stripes with a canton: 9 current flags are grouped in this design family. Examples include United States of America, Georgia, Hawaii, Uruguay and Liberia.
Nordic cross: 9 current flags are grouped in this design family. Examples include Bouvet Island, Aland Islands, Denmark, Faroe Islands and Finland.
Horizontal tricolour with a hoist triangle: 9 current flags are grouped in this design family. Examples include Bahamas, Equatorial Guinea, Mozambique, Sao Tome and Principe and South Sudan.
Combined horizontal and vertical bands: 7 current flags are grouped in this design family. Examples include North Carolina, Texas, Benin, Central African Republic and Guinea-Bissau.
Diagonal band: 6 current flags are grouped in this design family. Examples include Saint Kitts and Nevis, Trinidad and Tobago, Democratic Republic of the Congo, Namibia and Tanzania.
Horizontal bicolour: 6 current flags are grouped in this design family. Examples include Angola, Burkina Faso, Monaco, Poland and Ukraine.
Field with an emblem in the canton: 5 current flags are grouped in this design family. Examples include Nevada, Taiwan, Samoa, Tonga and Wallis and Futuna.
Centred cross: 5 current flags are grouped in this design family. Examples include Dominican Republic, England, Guernsey, Switzerland and Georgia.
Horizontal multi-band: 5 current flags are grouped in this design family. Examples include Costa Rica, Suriname, Cabo Verde, Mauritius and Thailand.
Vertical tricolour with an emblem: 5 current flags are grouped in this design family. Examples include Barbados, Saint Vincent and the Grenadines, Iowa, Mongolia and Norfolk Island.
Bordered field with an emblem: 4 current flags are grouped in this design family. Examples include West Virginia, Wyoming, Montenegro and Guam.
Horizontal bands with a central emblem: 4 current flags are grouped in this design family. Examples include Eswatini, Rwanda, Uganda and North Korea.
Horizontal bicolour with a hoist triangle: 4 current flags are grouped in this design family. Examples include Sint Maarten, Djibouti, Czech Republic and Philippines.
Saltire (diagonal cross): 4 current flags are grouped in this design family. Examples include Jamaica, Alabama, Burundi and Scotland.
Horizontal bicolour with an emblem: 4 current flags are grouped in this design family. Examples include Haiti, Liechtenstein, San Marino and Singapore.
Vertical bicolour with an emblem: 3 current flags are grouped in this design family. Examples include Holy See, Malta and Portugal.
Interlocking triangles: 3 current flags are grouped in this design family. Examples include Saint Lucia, Guyana and Timor-Leste.
Bicolour with an emblem: 3 current flags are grouped in this design family. Examples include Greenland, Gibraltar and Wales.
Diagonally divided field with an emblem: 3 current flags are grouped in this design family. Examples include Bhutan, Papua New Guinea and Christmas Island.
Y-shaped pall: 2 current flags are grouped in this design family. Examples include South Africa and Vanuatu.
Saltire with an emblem: 2 current flags are grouped in this design family. Examples include Florida and Jersey.
Radiating rays: 2 current flags are grouped in this design family. Examples include Arizona and Seychelles.
Quartered field: 2 current flags are grouped in this design family. Examples include Panama and Maryland.
Sun with radiating rays: 2 current flags are grouped in this design family. Examples include North Macedonia and Kyrgyzstan.
Horizontal bands with a hoist triangle: 2 current flags are grouped in this design family. Examples include Comoros and Zimbabwe.
Combined cross and saltire: 2 current flags are grouped in this design family. Examples include Basque Country and United Kingdom.
Cross with a central emblem: 2 current flags are grouped in this design family. Examples include Dominica and Northern Ireland.
Stripes with a hoist triangle: 2 current flags are grouped in this design family. Examples include Cuba and Puerto Rico.
Diagonal stripes with an emblem: 2 current flags are grouped in this design family. Examples include Brunei Darussalam and Marshall Islands.
Serrated (zigzag) division: 2 current flags are grouped in this design family. Examples include Bahrain and Qatar.
Triangle over horizontal bands: 2 current flags are grouped in this design family. Examples include Antigua and Barbuda and Eritrea.
Diagonal Bands Emblem: 1 current flag is grouped in this design family: Utah.
Burgee: 1 current flag is grouped in this design family: Ohio.
Diagonal Bicolour: 1 current flag is grouped in this design family: Solomon Islands.
Mixed Bands Emblem: 1 current flag is grouped in this design family: Oman.
Pennant: 1 current flag is grouped in this design family: Nepal.
Horizontal Triband Trapezoid: 1 current flag is grouped in this design family: Kuwait.
Banner Of Arms: 1 current flag is grouped in this design family: Kiribati.
Bordered Quarters: 1 current flag is grouped in this design family: Grenada.
Stripes: 1 current flag is grouped in this design family: Catalonia.
Vertical Bicolour: 1 current flag is grouped in this design family: Algeria.
Bicolour Canton: 1 current flag is grouped in this design family: Chile.
Diagonal Triband: 1 current flag is grouped in this design family: Republic of the Congo.
Canadian Pale: 1 current flag is grouped in this design family: Canada.
Horizontal Bands Ornament: 1 current flag is grouped in this design family: Belarus.
Triangle Stars: 1 current flag is grouped in this design family: Bosnia and Herzegovina.
Triangle Emblem: 1 current flag is grouped in this design family: American Samoa.

Explore next: open the design-family index

Symbols, emblems and charges

Stars, crescents, suns, crosses, animals, plants, weapons, crowns and coats of arms are among the visible elements used on flags. A symbol tag tells you what appears in the design. Its meaning still has to be read in the context of the individual flag.

The same shape can represent very different ideas in different places. That is why symbol pages are navigation tools, while the individual flag record remains the place for documented interpretation.

Stars: 107 current records are tagged with this visible symbol group. Examples include Aruba, Costa Rica, Cuba, Curaçao and Dominica.
Coat of arms: 75 current records are tagged with this visible symbol group. Examples include Anguilla, Belize, Bermuda, Cayman Islands and Costa Rica.
Animals and birds: 52 current records are tagged with this visible symbol group. Examples include Anguilla, Bermuda, Cayman Islands, Dominica and Guatemala.
Plants and trees: 37 current records are tagged with this visible symbol group. Examples include Belize, Canada, Grenada, Guatemala and Haiti.
Crosses: 33 current records are tagged with this visible symbol group. Examples include Dominica, Dominican Republic, Montserrat, Alabama and Florida.
Sun: 24 current records are tagged with this visible symbol group. Examples include Antigua and Barbuda, Greenland, Arizona, Florida and New Mexico.
Crescent moon: 19 current records are tagged with this visible symbol group. Examples include Missouri, South Carolina, Comoros, Algeria and Iran.
Weapons: 17 current records are tagged with this visible symbol group. Examples include Barbados, Guatemala, Haiti, Georgia and Massachusetts.
Crowns: 10 current records are tagged with this visible symbol group. Examples include Holy See, Jersey, Liechtenstein, Northern Ireland and San Marino.
Ships and boats: 8 current records are tagged with this visible symbol group. Examples include New Hampshire, Pennsylvania, Falkland Islands, Saint Helena and Saint Helena, Ascension and Tristan da Cunha.
Written script: 6 current records are tagged with this visible symbol group. Examples include Brazil, Iran, Iraq, Saudi Arabia and Afghanistan.
Buildings and monuments: 5 current records are tagged with this visible symbol group. Examples include Georgia, Gibraltar, San Marino, Cambodia and Macau.
Tools and implements: 5 current records are tagged with this visible symbol group. Examples include Belize, Montana, New Jersey, Angola and Mozambique.
Moon: 4 current records are tagged with this visible symbol group. Examples include Mongolia, Nepal, Laos and Palau.
Map of the country: 4 current records are tagged with this visible symbol group. Examples include Antarctica, Cyprus, Kosovo and Christmas Island.
Shields: 3 current records are tagged with this visible symbol group. Examples include Oklahoma, Eswatini and Kenya.
Books: 3 current records are tagged with this visible symbol group. Examples include Dominican Republic, Mozambique and Pitcairn.
Anchors: 2 current records are tagged with this visible symbol group. Examples include Rhode Island and Pitcairn.
Letters: 2 current records are tagged with this visible symbol group. Examples include Colorado and North Carolina.
Rainbows: 2 current records are tagged with this visible symbol group. Examples include El Salvador and Nicaragua.
Mountains: 2 current records are tagged with this visible symbol group. Examples include Slovakia and Slovenia.
Traditional ornament: 2 current records are tagged with this visible symbol group. Examples include Belarus and Kazakhstan.
Globes and spheres: 2 current records are tagged with this visible symbol group. Examples include Brazil and Portugal.
Tusk: 1 current record is tagged with this visible symbol group: Vanuatu.
Key: 1 current record is tagged with this visible symbol group: Holy See.
Portrait: 1 current record is tagged with this visible symbol group: Washington.
Beehive: 1 current record is tagged with this visible symbol group: Utah.
Torch: 1 current record is tagged with this visible symbol group: Indiana.
Carpet: 1 current record is tagged with this visible symbol group: Turkmenistan.
Medal: 1 current record is tagged with this visible symbol group: Malta.
Stone: 1 current record is tagged with this visible symbol group: Northern Mariana Islands.
Soyombo: 1 current record is tagged with this visible symbol group: Mongolia.
Clothing: 1 current record is tagged with this visible symbol group: Lesotho.
Taegeuk: 1 current record is tagged with this visible symbol group: South Korea.
Trigram: 1 current record is tagged with this visible symbol group: South Korea.
Wheel: 1 current record is tagged with this visible symbol group: India.
Triskelion: 1 current record is tagged with this visible symbol group: Isle of Man.
No symbol tag: 66 current records are not assigned to a symbol group.
One symbol group: 123 current records are assigned to one symbol group.
Two symbol groups: 71 current records are assigned to two symbol groups.
Three or more symbol groups: 53 current records are assigned to three or more symbol groups.

Explore next: browse flags by symbol

Historical and non-national flags

Not every important flag represents a present-day sovereign state. Historical states, independence movements, political organisations, international bodies, religious communities, identity movements and signal systems all use flags, but those records need different labels and different reuse cautions.

The separate Other Flags library prevents a historical banner or protected organisational emblem from being presented as though it had the same status as a current national flag. Each record is categorized before it is placed into colour or symbol browsing.

Identity and Pride Flags: 29 records are stored in this category. Examples include Agender Pride Flag, Amazigh (Berber) Flag, Aroace Pride Flag, Aromantic Pride Flag and Asexual Pride Flag.
Political Party Flags: 13 records are stored in this category. Examples include Aam Aadmi Party (AAP) Flag, All India Trinamool Congress Flag, Awami National Party (ANP) Flag, Bharatiya Janata Party (BJP) Flag and Communist Party of India (Marxist) Flag.
International Organisation Flags: 21 records are stored in this category. Examples include ASEAN Flag, African Union Flag, Arab League Flag, CARICOM Flag and Commonwealth of Nations Flag.
Regional and Movement Flags: 19 records are stored in this category. Examples include Abkhazia Flag, Assam Flag, Azad Jammu and Kashmir Flag, Balochistan Flag and Bavaria Flag.
Religious Flags: 6 records are stored in this category. Examples include Bahai Nine-Pointed Star Flag, Bhagwa Dhwaj (Hindu Saffron Flag), Buddhist Flag, Christian Flag and Jain Flag.
Historical Flags: 20 records are stored in this category. Examples include Betsy Ross Flag, British Raj Flag, Czechoslovakia Flag, East Germany Flag and Eureka Flag.
Signal, Sport and Symbolic Flags: 11 records are stored in this category. Examples include Anarchist Black Flag, Chequered Racing Flag, Diver Down Flag, Generic Nordic Cross and International Flag of Planet Earth.

Explore next: browse the historical and non-national library · read download and reuse guidance

Dates, designers and change over time

A flag can be old as a design but new as a legal specification, or it can preserve familiar colours while changing the number of stars, an emblem or a coat of arms. For that reason, the site keeps adoption, first-use and designer fields separate when the record supports them.

Dates on a flag page refer to the specific design represented by that record. Historical predecessor flags belong in the historical library rather than being folded into a single present-day image.

Records with an adoption year: 313 current records contain an adoption year or date.
Records with a named designer: 68 current records name a designer in the structured data.
16th century: 1 current record in the dataset has an adoption year in this century.
17th century: 2 current records in the dataset have adoption years in this century.
18th century: 11 current records in the dataset have adoption years in this century.
19th century: 32 current records in the dataset have adoption years in this century.
20th century: 229 current records in the dataset have adoption years in this century.
21st century: 38 current records in the dataset have adoption years in this century.

Explore next: read the editorial methodology · report a data correction

What a flag fact should and should not claim

A useful flag reference distinguishes documented information from interpretation. An official specification can define dimensions, colours or construction. A government or archival source may explain symbolism. A later popular explanation can be culturally important without being part of the original legal design.

This site therefore avoids turning every colour into a universal meaning or every visual similarity into a historical relationship. Where the underlying record is uncertain, the preferred correction is to qualify or remove the claim rather than invent certainty to make a page longer.

The same rule applies to downloads. Providing an image file does not mean every emblem is unrestricted. National flags, government marks, humanitarian emblems, international-organisation symbols, political marks and identity designs can be subject to different rules.

Visual similarity is not proof of common origin: Two flags may share colours or a layout without having a documented historical relationship.
Colour meaning is flag-specific: A meaning recorded for red, green, blue or another colour on one flag should not automatically be transferred to another.
Proportion is part of the design: A flag image should not be treated as interchangeable across every aspect ratio.
Status matters: Current national, territorial, state, historical, political and organisational flags are labelled separately because they do not represent the same type of entity.
Blank is better than invented: If a designer, date, meaning or legal status cannot be supported, leaving the field empty is better than filling the gap with plausible-sounding text.

Explore next: see how sources and corrections are handled