Finland’s NATO accession process

4 April 2023: Finland became a full member of NATO.

30 March 2023: All NATO member countries have ratified the Accesion Protocol of Finland.

23 March 2023: President of the Republic of Finland approved the accession and the bill for the Act to bring into force the NATO Accession Agreement.
Ministry for Foreign Affairs 23 March 2023 | President of the Republic decides on Finland’s accession to Nato

1 March 2023: ​Parliament approved the government proposal on Finland's accession to NATO.
Parliament of Finland 1 March 2023 | Parliament approved Finland's accession to NATO by a vote of 184-7

5 December 2022: The Finnish Government submitted a proposal on Finland’s accession to NATO to Parliament.
Ministry for Foreign Affairs 5 December 2022 | Government proposal on Finland’s accession to NATO submitted to Parliament

5 July 2022: All NATO member countries sign Finland’s Accession Protocol, and Finland becomes an observer member of NATO (invitee).
Ministry for Foreign Affairs 5 July 2022 | Finland becomes a NATO invitee

4 July 2022: The President of the Republic decides to submit Finland’s letter of intent to NATO concerning its accession to the North Atlantic Treaty and its commitment to the obligations of NATO membership.

29 June 2022: NATO invites Finland to become a member in connection with the Madrid Summit.

18 May 2022: Finland’s declaration of interest in acceding to NATO is delivered to the NATO Secretary General in a letter signed by the Minister for Foreign Affairs.

17 May 2022: The President of the Republic of Finland decides, on the proposal of the Government, to notify the North Atlantic Treaty Organization (NATO) of Finland’s interest in engaging in talks on accession to NATO.
Ministry for Foreign Affairs and Prime Minister's Office 17 May 2022 | Finland declares its interest to accede to NATO