Most common Flag Proportions

Try to guess the most common proportions/ratios found on national flags. Good luck!
The proportions of flags indicate the relationship between their length and their height, expressed as a fraction or ratio (for example, 1:2). What are the flag proportions?.
Simplify . Proportions like 2:4 don't exist; they're simplified to 1:2. How to simplify?
Proportions with less than 2 flags are not added.
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Quiz by
teqau
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Last updated: July 22, 2025
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First submittedJuly 22, 2025
Times taken15
Average score60.0%
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Countries using it
Exemple
Countries using it
Flag proportion
France, Italy, Russia, Spain,...
Archivo:Flag of France.svg - Wikipedia, la enciclopedia libre
86
2:3
Australia, Canada, Pakistan, UK...
Bandera del Reino Unido - Wikipedia, la enciclopedia libre
53
1:2
Belize, Germany, Lithuania...
Bandera de Alemania - Wikipedia, la enciclopedia libre
19
3:5
Argentina, Poland, Sweden...
Bandera de Polonia - Wikipedia, la enciclopedia libre
5
5:8
D. R. Congo, Gabon, San Marino...
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4
3:4
Liberia, Marshall Islands, USA...
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4
10:19
Iran, Mexico and Oman
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3
4:7
Andorra and Brazil
Flag of Brazil
2
7:10
Israel and Norway
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2
8:11
Switzerland and Vatican City
undefined
2
1:1
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