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Umbrella state (NATO application pending approval)

In June 2021, the Parliament of Finland adopted a policy 'to continue analysing' the TPNW, and the government confirmed its intention to participate as an observer in the First Meeting of States Parties to the Treaty in 2022.[1]

TPNW Article 1(1) prohibitions: Compatibility in 2021
(a) Develop, produce, manufacture, acquire Compatible
Test Compatible
Possess or stockpile Compatible
(b) Transfer Compatible
(c) Receive transfer or control Compatible
(d) Use Compatible
Threaten to use Compatible
(e) Assist, encourage or induce Not compatible
(f) Seek or receive assistance Compatible
(g) Allow stationing, installation, deployment Compatible
TPNW voting and participation
2021 UNGA resolution on TPNW
2020 UNGA resolution on TPNW
2019 UNGA resolution on TPNW Abstained
2018 UNGA resolution on TPNW Abstained
Participated in TPNW negotiations No
Share of women in TPNW negotiations N/A
Vote on adoption of treaty text N/A
Adoption of TPNW (7 July 2017) N/A
IAEA safeguards and fissile material
Safeguards Agreement Yes
TPNW Art 3(2) deadline N/A
Small Quantities Protocol No
Additional Protocol Yes
Fissile material production facilities No
Highly enriched uranium stocks No
Plutonium stocks (mil/civ) No/No
Related treaties and regimes
Party to the BWC Yes
Party to the CWC Yes
Party to the PTBT Yes
Ratified the CTBT Yes (Annex 2 state)
Party to the NPT Yes
Party to a NWFZ No
Member of the CD Yes

Latest developments

Three of the five political parties that form the coalition government in Finland have expressed their support for the TPNW: the Social Democratic Party, the Green League, and the Left Alliance.2 The former Finnish Foreign Minister Erkki Tuomioja has called on the government to join the TPNW.3

Since 1987 Finland has had national legislation in place (in its Nuclear Energy Act) which forbids the importation, manufacturing, possession and detonation of nuclear explosive devices in Finland.4

Finland did not participate in the TPNW negotiations and has consistently abstained on the annual UN General Assembly resolutions on the Treaty, including in 2021.

Finland maintains policies and practices that are compatible with all of the prohibitions in Article 1 of the TPNW, and can therefore sign and ratify or accede to the Treaty without the need for a change in conduct.


  • Finland should urgently adhere to the TPNW.
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