Answer
At the age of 38, Sigmundur Davíð Gunnlaugsson became the youngest person to hold the position of prime minister in Iceland's history. He assumed office on April 23, 2013, following the collapse of the previous government. Gunnlaugsson's Progressive Party formed a coalition with the Independence Party, and he served as prime minister until his resignation on April 6, 2016, amidst the Panama Papers scandal.