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Finland to lift full ban on hosting nuclear arms, government says

Published by Global Banking & Finance Review

Posted on March 5, 2026

2 min read

· Last updated: April 1, 2026

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Finland to lift full ban on hosting nuclear arms, government says
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HELSINKI, March 5 (Reuters) - Finland plans to lift a long-standing ban on having nuclear arms on its territory, the government said on Thursday, aligning with Nordic neighbours in a move that could

Finland to End Nuclear Arms Ban, Opening Door to NATO Nuclear Defense

Finland's Shift in Nuclear Policy and Its Implications

Background of Finland's Nuclear Arms Ban

HELSINKI, March 5 (Reuters) - Finland plans to lift a long-standing ban on having nuclear arms on its territory, the government said on Thursday, aligning with Nordic neighbours in a move that could open the door to deploying atomic bombs on Finnish soil during times of war.

Finland's Nuclear Energy Act, passed in 1987, prohibits the import, manufacture, possession and detonation of nuclear explosives on its soil, seen by some Finns as a clause that would benefit only Russia if there ever was a war.

While Finland maintained neutrality during the Cold War era, the country in 2023 joined the NATO military alliance in response to nuclear-armed Russia's full-scale invasion of Ukraine the preceding year.

Government's Rationale for Policy Change

"The amendment is necessary to enable Finland's military defense as part of the alliance and to take full advantage of NATO's deterrence and collective defence," Finnish Defence Minister Antti Hakkanen told a press conference.

The proposed change will next go to parliament where the right-wing coalition government holds a majority.

Comparison with Nordic and European Neighbours

Neighbours Sweden, Denmark and Norway have long-standing policies against nuclear weapons on their territories in peacetime but do not have legislative bans during war.

European Nuclear Deterrence Initiatives

NATO allies France and Germany announced plans on Monday to deepen cooperation with European partners on nuclear deterrence, marking a policy shift as the continent faces rising threats from Russia and instability linked to the Iran conflict.

Sweden's Position on Nuclear Weapons

Sweden's doctrine is to station no permanent foreign troops or nuclear weapons on its soil in peacetime, Prime Minister Ulf Kristersson told reporters last week, when asked about the possibility of his country hosting French nuclear arms.

"If we were to find ourselves in a completely different situation, that particular formulation would not apply," Kristersson said.

Finland's Strategic Position and Defense Agreements

Finland shares a 1,340-kilometre border with Russia and in 2024 signed a defence pact with the United States, allowing it to use 15 of Finland's military facilities and zones. 

(Reporting by Essi Lehto and Anne Kauranen in Helsinki, additional reporting by Johan Ahlander, editing by Terje Solsvik and Aidan Lewis)

Key Takeaways

  • Finland’s 1987 Nuclear Energy Act prohibits import, transit, possession and detonation of nuclear weapons; the amendment would remove these restrictions.
  • The planned change reflects Finland’s NATO membership (since 2023) and intends to enhance its collective defence alongside NATO nuclear deterrence.
  • The amendment must be approved by Finland’s parliament, where the ruling right‑wing coalition holds a majority.

References

Frequently Asked Questions

Why is Finland lifting its nuclear arms ban?
Finland is amending its Nuclear Energy Act to enable military defense as part of NATO and to fully benefit from the alliance's deterrence and defense mechanisms.
What changes are proposed to Finland's Nuclear Energy Act?
The government intends to remove prohibitions on the import, manufacture, possession, and detonation of nuclear explosives on Finnish soil in times of war.
How does Finland's move align with its Nordic neighbors?
Unlike Finland's soon-to-be-lifted legislative ban, Sweden, Denmark, and Norway have policies against nuclear arms in peacetime but no outright war-time bans.
What impact does Finland's NATO membership have on this decision?
Finland's NATO membership increases its security concerns, particularly regarding Russia, making nuclear deterrence a more significant issue.
What is the next step for Finland's nuclear arms legislation?
The proposed amendment will go before Finland's parliament, where the right-wing coalition government holds a majority.

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