Finland’s Sanna Marin is world’s youngest prime minister at 34

34-year-old Sanna Marin of Finland's Social Democrats has been named the country's new prime minister. Marin who was a former transport minister took over from Antti Rinne resigned after six months in office when he lost the confidence of the Centre Party, a coalition partner, over his handling of a postal strike. Sanna Marin is currently the youngest prime minister in the world.