Record No.
MRB-2026-006891
Guinness World Record for Heaviest Reigning Monarch
No Photo
Record Holder
King Taufa'ahau Tupou IV
Tonga
Category
—
Country
Tonga
(
TO )
Achievement Date
—
Verification Status
Reference
Record Description
At his heaviest, Tonga's King Taufa'ahau Tupou IV weighed around 209.5 kg (462 lb), earning him a place in Guinness World Records as the heaviest monarch in modern history.
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