Flag comparison guides
Some national flags are near-identical. Filtering by colour will return all of them at once, so these guides set the look-alikes next to each other and explain the specific details that separate them, including band order, disc position, star count and proportions.
Japan vs Bangladesh vs Palau: telling the three disc flags apart
White field with a centred red disc is Japan. Dark green field with an off-centre red disc is Bangladesh. Light blue field with an off-centre yellow disc is Palau.
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Indonesia vs Monaco vs Poland: red and white bicolours
Red on top is Indonesia or Monaco; white on top is Poland. Indonesia uses a 2:3 shape and Monaco uses 4:5, so context may still be needed in images with no reliable scale.
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Romania vs Chad: two blue-yellow-red tricolours
A darker, more indigo blue band indicates Chad; Romania's blue is brighter. Both are 2:3, so shade and context are the practical tests.
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Ireland vs Ivory Coast: mirrored green and orange tricolours
Green next to the flagpole is Ireland. Orange there is Ivory Coast. Ireland is also longer, at 1:2 against 2:3.
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Australia vs New Zealand: two Union Jack ensigns
Count the stars. Australia has six white stars, including a large seven-pointed star below the Union Flag. New Zealand has four red stars with white outlines and nothing in that lower corner.
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