Sanna Marin, 34, was tapped by the Social Democratic Party to be Finland's next Prime Minister. Before taking over the role, she served as the transport minister for her party. She will be heading up a coalition all led by women.

Oleksiy Honcharuk, 35, was appointed PM of Ukraine in August 2019. Before coming to the position, he led NGO's focused on economic reforms.

Nayib Bukele, 38, ran on an anti-corruption platform and served as the mayor of El Salvador's capital, San Salvador, before his election victory in February.

Jacinda Ardern, 39, won her election in New Zealand in 2017. She gained global prominence for compassion in the wake of the deadly mass shooting in Christchurch that left 50 people from the Muslim community dead.

Fritz-William Michel, 39, served as Haiti's finance minister before taking over as Prime Minister of Haiti after Jean Michel Lapin resigned over the summer

Carlos Alvarado Quesada, 39, a former fiction writer and minister, handily won the 2018 election in Costa Rica, focusing on advancing gay rights for the country.

Leo Varadkar, 40, was elected in Ireland in 2017. He is the country's first openly gay man elected for as the nation's Taoiseach or prime minister.