 | United States | Stars & stripes | Thirteen horizontal stripes alternating red and white, representing the original colonies, with a blue canton bearing 50 white stars โ one per state. The current 50-star design has been in use since 4 July 1960. |
 | United Kingdom | Union Jack | The Union Jack superimposes the Cross of St George (red on white, England), the Cross of St Andrew (white diagonal on blue, Scotland), and the Cross of St Patrick (red diagonal on white, Ireland), all counterchanged. |
 | France | Vertical tricolour | Three equal vertical bands of blue (hoist), white, and red โ the Tricolore. Adopted during the French Revolution, it became the template for dozens of national flags worldwide. |
 | Netherlands | Horizontal tricolour | Three equal horizontal bands of red (top), white, and blue โ one of the world's oldest tricolours, dating to the Dutch Revolt of the late 16th century. |
 | Russia | Horizontal tricolour | Three equal horizontal bands of white (top), blue, and red. Based on the Dutch flag, it was introduced by Peter the Great in the late 17th century. |
 | Croatia | Tricolour + coat of arms | Three equal horizontal bands of red (top), white, and blue, with the Croatian coat of arms centred on the white band. |
 | Slovakia | Tricolour + coat of arms | Three equal horizontal bands of white (top), blue, and red, with the Slovak coat of arms on the hoist side. |
 | Slovenia | Tricolour + coat of arms | Three equal horizontal bands of white (top), blue, and red, with the Slovenian coat of arms on the hoist side. |
 | Czech Republic | Blue wedge on tricolour | Two equal horizontal bands of white (top) and red, with a blue triangle extending from the hoist to the flag's centre. Adopted in 1920. |
 | Serbia | Tricolour + coat of arms | Three equal horizontal bands of red (top), blue, and white, with the Serbian coat of arms on the hoist side. |
 | Norway | Nordic cross | Red field with a white-edged blue Nordic cross offset toward the hoist. Adopted in 1821 during Norway's political awakening. |
 | Iceland | Nordic cross | Blue field with a white-edged red Nordic cross offset toward the hoist. |
 | Chile | Star & two bands | Two horizontal bands of white (top) and red, with a blue square canton bearing a white five-pointed star. |
 | New Zealand | Blue Ensign + Southern Cross | Blue field with the Union Jack in the upper-hoist canton and four red stars with white borders representing the Southern Cross. |
 | Australia | Blue Ensign + stars | Blue field with the Union Jack in the upper-hoist canton, a large Commonwealth Star, and the Southern Cross on the fly half. |
 | Thailand | Five horizontal bands | Five horizontal bands of red, white, blue (double width), white, and red. |
 | Cuba | Triangle + stripes | Five alternating blue and white horizontal stripes with a red equilateral triangle on the hoist bearing a white five-pointed star. |
 | Haiti | Two horizontal bands | Two equal horizontal bands of blue (top) and red, with the national coat of arms on a white panel at the centre. |
 | Paraguay | Horizontal tricolour | Three equal horizontal bands of red (top), white, and blue โ uniquely bearing different emblems on each side. |
 | Cambodia | Blue-red-blue + Angkor Wat | Three horizontal bands of blue (top), red (double width), and blue, with a white depiction of Angkor Wat. |
 | Laos | Red-blue-red + white disc | Three horizontal bands of red (top), blue (double width), and red, with a white disc centred on the blue band. |
 | Panama | Four quarters + stars | Divided into four quarters: white with a blue star, plain red, plain blue, and white with a red star. |
 | Luxembourg | Horizontal tricolour | Three equal horizontal bands of red (top), white, and light blue โ visually similar to the Dutch flag but with a lighter shade of blue. |
 | Israel | Blue stripes + Star of David | White field with two horizontal blue stripes and a blue Star of David centred between them. Adopted upon Israel's founding in 1948. |
 | Taiwan | Red field + blue canton | Red field with a blue rectangle in the upper-hoist canton bearing a white sun with 12 rays. |