The Finnish government has approved new legislation repealing the country’s long-standing ban on nuclear weapons on Finnish soil, amid mounting security concerns over Russia.
The new bill allows for the import, transport, acquisition, and possession of nuclear weapons under specific conditions related to national defense. The move marks a significant strategic shift, as the country’s legal framework had until now explicitly prohibited such activities.
According to Bloomberg, the Finnish government justified the decision by citing the “unpredictable security environment” that has taken shape in the region due to Russia. It also clarified that there are currently no plans to actually host nuclear weapons on Finnish territory.
Up to now, Finland’s Nuclear Energy Act of 1987 had prohibited the import and storage of nuclear weapons in the country, limiting its ability to cooperate with NATO in this area.
Implications Following NATO Accession
Defense Minister Antti Hakkanen stated that the previous legislation had created complications following Finland’s accession to NATO in April 2023. He explained that the new regulation brings the country into alignment with the Alliance’s requirements.
NATO bases a significant part of its deterrence strategy on nuclear deterrence, within the framework of its collective defense doctrine. Member states are committed to supporting one another in the event of a threat, including through capabilities linked to the Alliance’s nuclear arsenal.
The changes to Finnish law theoretically open the door to the possible future hosting of NATO nuclear weapons, strengthening the Alliance’s strategic posture vis-a-vis Russia, which has stepped up its military activities following the invasion of Ukraine.
Russian Military Activity Along the Border
Last week, Russia began construction of a new military base near Finland’s eastern border, in an area where no comparable installation had been built since the collapse of the Soviet Union.
Recent aerial photographs show twelve new barracks under construction, with work having begun in late 2025 following the clearing of the surrounding forest.
Military analyst and former Finnish intelligence officer Marko Eklund estimates the base will be capable of housing between 4,000 and 6,000 troops. The development of this new installation is considered likely to pose additional security challenges for Finland.
