Canada Won’t Pursue Nuclear Weapons Despite Global Instability Concerns

Amidst growing global instability and concerns over nuclear proliferation, discussions surrounding national security and defence strategies are intensifying. Recent developments, including perceived strains in U.S. Relations with key allies and the impending expiration of critical arms control treaties, have prompted a re-evaluation of defence postures in several countries. While Canada has reaffirmed its commitment to non-proliferation, debate has emerged regarding the potential benefits – and significant drawbacks – of acquiring its own nuclear capabilities.

The discussion was sparked by comments from retired general Wayne Eyre, former chief of the defence staff, who suggested that Canada should not entirely rule out the possibility of developing its own nuclear weapons, as reported by the Globe and Mail and La Presse. However, Defence Minister David McGuinty swiftly dismissed the idea, stating on February 4, 2026, that Canada has “absolutely no intention” of pursuing such a path. McGuinty emphasized Canada’s long-standing commitment to international treaties prohibiting nuclear weapon development and its focus on strengthening conventional forces.

“Canada is a signatory to international treaties which preclude us, number one, and Canada has been a non-nuclear-proliferation state for a long time,” McGuinty told reporters. He underscored the government’s commitment to reinvesting in the Canadian Armed Forces, particularly with a focus on Arctic security, asserting that this would ensure Canada’s ability to operate independently, even without a nuclear deterrent.

Experts are largely aligned with the government’s position. John Erath, senior policy director at the Center for Arms Control and Non-Proliferation in Washington, D.C., cautioned against pursuing nuclear weapons, arguing they are “not the way to deal with growing uncertainty and danger around the world.” Alexander Lanoszka, an associate professor of political science at the University of Waterloo, echoed this sentiment, questioning the strategic rationale for Canada to embark on such a costly endeavour.

The debate unfolds against a backdrop of shifting geopolitical dynamics. The impending expiry of the New START treaty between the U.S. And Russia, the last remaining nuclear arms control treaty, has raised concerns about a potential arms race. Actions by other global powers are contributing to the unease. U.S. Intelligence assessments indicate that China is rapidly expanding its nuclear arsenal, projected to surpass 1,000 warheads by 2030. Former U.S. President Donald Trump’s recent threats regarding Greenland and NATO, as well as his stated willingness to resume nuclear weapons testing, have further rattled the international community.

These developments have prompted some European nations to reassess their security arrangements. France and the United Kingdom signed a declaration last summer for closer nuclear co-operation, and French President Emmanuel Macron initiated a “strategic debate” in March 2025 regarding a potential shared European nuclear umbrella. Germany and Sweden have also begun discussions regarding participation in such an arrangement.

The situation is further complicated by Russia’s actions, including threats to use nuclear weapons in Ukraine and its decision not to renew the New START treaty. Russian President Vladimir Putin addressed a proposal from French President Macron regarding nuclear deterrence, referencing historical precedents to underscore his concerns.

Canada’s position as a non-nuclear state and signatory to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) remains central to its foreign policy. The NPT, which came into force in 1970, aims to prevent the spread of nuclear weapons and promote disarmament. While the treaty places obligations on non-nuclear states, it also calls upon the five recognized nuclear powers – the U.S., Russia, China, France, and the United Kingdom – to pursue disarmament efforts.

Despite the treaty’s overall success in reducing the global nuclear stockpile from 70,000 to approximately 12,000, the last 20 per cent of reductions have proven particularly challenging. The current geopolitical climate, characterized by increased tensions and a breakdown in arms control agreements, is raising fears of a renewed arms race. The potential for escalation is heightened by the actions of countries outside the NPT framework, including India, Pakistan, North Korea, Iran, and Israel, all of whom are believed to be expanding their nuclear capabilities.

Experts emphasize that acquiring nuclear weapons would not necessarily enhance Canada’s security. Lanoszka argued that the strategic costs would outweigh any potential benefits, while Erath stressed that nuclear weapons contribute to instability rather than resolving it. The logistical challenges of developing and deploying a nuclear arsenal, coupled with the potential for U.S. Opposition, further complicate the prospect.

Canada’s geographic proximity to the United States, which possesses the world’s second-largest nuclear arsenal, and its commitment to collective defence through NATO, are seen as key factors mitigating the need for an independent nuclear deterrent. The focus remains on strengthening conventional forces and ensuring Canada’s ability to operate independently within the existing security framework.