The youngest prime minister in the world

Mr Rinne stepped down after losing the confidence of a coalition member over his handling of a postal strike.When she takes office, Ms Marin will be the world’s youngest sitting prime minister. New Zealand PM Jacinda Ardern is 39, while Ukrainian premier Oleksiy Honcharuk is 35. What’s more Marin, who was tapped Sunday by Finland’s ruling Social Democratic Party, will head a five-party, center-left coalition. All of her four coalition partners are led by women — and three of them are in their early 30s.