Politics & World • Politician

Sanna Marin

Sanna Marin is a Finnish politician who served as prime minister of Finland from 2019 to 2023 and led the Social Democratic Party of Finland from 2020 to 2023.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Sanna Marin is a Finnish politician who served as prime minister of Finland from 2019 to 2023. She was Finland's youngest-ever prime minister and, at the time of her appointment, the world's youngest serving head of government. After leaving parliament in 2023, she worked as a strategic adviser for the Tony Blair Institute.

Early life and education

Sanna Marin was born in Helsinki on 16 November 1985 and studied at the University of Tampere. Public biographies note that she completed degrees there before entering national politics.

Political career

Marin was elected to the Parliament of Finland in 2015 and later served as Minister of Transport and Communications in 2019. She became prime minister in December 2019 after her party selected her to replace Antti Rinne.

Prime minister of Finland

Marin led Finland from 2019 to 2023, a period that included the COVID-19 pandemic and Finland’s application to join NATO after Russia’s invasion of Ukraine. She also became a prominent international figure as one of the youngest heads of government in the world.

Party leadership and later work

Marin served as SDP leader from 2020 until 2023. After stepping down from parliament, she took on advisory work with the Tony Blair Institute and also launched business activity through MA/PI Oy.

Key facts

Marin was appointed prime minister on 10 December 2019.
She served as leader of the Social Democratic Party of Finland from 2020 to 2023.
She became prime minister at age 34, making her Finland’s youngest-ever prime minister.
In 2023, she resigned from parliament and later worked as a strategic adviser at the Tony Blair Institute.

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Canadian context

Marin is of interest to Canadian readers as a prominent European leader associated with pandemic-era governance, NATO enlargement, and contemporary social democratic politics.

Frequently asked questions

Who is Sanna Marin?

Sanna Marin is a Finnish politician who served as prime minister of Finland from 2019 to 2023 and led the Social Democratic Party of Finland from 2020 to 2023.

When was Sanna Marin born?

She was born on 16 November 1985 in Helsinki, Finland.

What was Sanna Marin’s main political office?

Her main office was prime minister of Finland, which she held from 2019 to 2023.

Was Sanna Marin the youngest Finnish prime minister?

Yes. She became Finland’s youngest-ever prime minister when she took office at age 34.

When did Sanna Marin leave parliament?

She resigned from parliament in 2023 after the parliamentary election and subsequently moved into advisory work.

References

Wikipedia — https://en.wikipedia.org/wiki/Sanna_Marin
Supports: Birth date, offices held, SDP leadership, parliamentary service, and post-parliament advisory work.
Encyclopaedia Britannica — https://www.britannica.com/biography/Sanna-Marin
Supports: Birth details, Finnish political career, and status as youngest prime minister.
United Nations Department of Economic and Social Affairs — https://sdgs.un.org/panelists/he-ms-sanna-marin-30349
Supports: Appointment date as prime minister, birth place/date, and distinction as youngest Finnish prime minister.
Archives of Women's Political Communication — https://awpc.cattcenter.iastate.edu/directory/sanna-marin
Supports: Career chronology, education, and ministerial roles.
Reuters — https://www.reuters.com/world/europe/finlands-outgoing-prime-minister-sanna-marin-2023-04-02/
Supports: Youngest-serving prime minister at age 34 and overview of her departure from office.
Reuters — https://www.reuters.com/world/europe/finlands-marin-once-worlds-youngest-premier-steps-down-party-leader-2023-09-01/
Supports: Resignation as SDP leader in 2023.