Educational illustration shown at 4:3. The reference proportion is 2:3.
How to recognise it
White field with a crimson disc in the centre.
- Name in the quiz
- Japan
- UN member state name
- Japan
- ISO 3166-1 code
- JP
- Atlas Play pack
- Asia (starter pack)
Easily confused with
BangladeshJapan: a red disc on white, right in the middle. Bangladesh: a red disc on dark green, a little towards the hoist.
CyprusCyprus: a copper island outline and olive branches. Japan: a red disc.
South KoreaJapan: one red disc and nothing else. South Korea: a red and blue swirl with black bars around it.
LaosLaos: a white disc on blue with red stripes. Japan: a red disc on white.
PalauPalau: yellow on light blue, off centre. Japan: red on white, centred.
Source and checks
Design reference: en.wikipedia.org/wiki/Flag_of_Japan (A crimson disc centred on a white field; proportion 2:3). Checked 2026-10-18 by Claude (AI build agent): rendered artwork compared with the reference design description; no human editorial review yet. Artwork: flag-icons 7.6.0 (package/flags/4x3/jp.svg), MIT licence, licence text; sanitised copy sha256 080380878c27…. Spotted a mistake? Tell us.