Flag of Tonga - Design, Colors, Meaning, Symbolism

Written and Fact-checked by | Updated On: February 02, 2026 13:05 ET

The flag of Tonga features a red field with a white canton bearing a red cross.Red symbolizes the blood of Christ, while the cross represents the nation’s strong Christian faith.

The National Flag of Tonga

Flag of Tonga
About Image - The National flag of the Tonga.

Tonga Flag Facts

CountryTonga
CapitalNukuʻalofa
CurrencyTongan Paʻanga (TOP)
Official LanguageTongan and English
ISO Country CodeTON
Adopted On4 November 1875
Design ByBased on the Constitution of Tonga
National Day4 November (Constitution Day)
National SongKo e fasi ʻo e tuʻi ʻo e ʻOtu Tonga (National Anthem of Tonga)
Flag Ratio1:2
ColorsRed and White
DesignRed field with a white canton bearing a red Greek cross
Center SymbolRed cross
Meaning of RedThe blood of Christ and sacrifice
Meaning of WhitePurity and faith
Symbolism of CrossRepresents Christianity and the country’s strong religious heritage
Cultural InfluenceDeeply rooted in Christian values and the Tongan monarchy
Unique FeatureProtected by the constitution—its design cannot be legally changed
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