Finland's Sanna Marin, world's youngest PM

34 years old Sanna Marin rise to the pinnacle of Finnish government means that when she takes over as head of the Social Democratic Party next year, women will hold the top job in each of the five parties in Finland's governing centre-left coalition, and all but one of the leaders are aged under 35.

source https://timesofindia.indiatimes.com/world/europe/finlands-sanna-marin-worlds-youngest-pm/articleshow/72450092.cms