Hereare 7 World's strongest liquors with a minimum of 90% alcohol content. 1. Mariënburg rum - 90% ABV. A White rum from Suriname, the smallest country in South America, Mariënburg rum. The
Proof 184 (92% alcohol). Made in: Scotland. Based on the 17th-century method of quadruple distilling, Bruichladdich’s X4 is billed as the highest-proof single malt ever made. Aged in new oak