Jacinda Ardern was the prime minister and leader of the labour party she became prime minister in 2017 and quit in 2023. Jacinda Ardern is 42 years old and she became prime minister when she was 37. Jacinda ardern was born on 26th July 1980 and she was on our tv when it was lockdown. Jacinda Ardern was the prime minister for 5 years. Jacinda Ardern has 1 child and her name is Neve.