France to boost nuclear warhead stockpile amid rising global tensions

France is moving forward with plans to expand its nuclear warhead stockpile, with nuclear deterrence spending expected to reach €57.1 billion ($61.7 billion) in 2026, Armed Forces Minister Catherine Vautrin announced Tuesday. Speaking to France Inter radio, Vautrin confirmed that nuclear capabilities currently account for 13% of the defense budget and will represent an even larger share as Paris implements its new strategic doctrine.

Macron announces nuclear expansion

The minister's remarks came a day after President Emmanuel Macron declared an increase in the number of nuclear warheads under a new doctrine of "advanced nuclear deterrence," designed to address what he described as a deteriorating and increasingly complex security environment. The expansion represents a significant shift in French nuclear posture, moving beyond the traditional deterrence model that has guided policy for decades.

French sovereignty maintained

Vautrin emphasized that despite growing interest from several European countries in France's nuclear umbrella, deterrence would remain fully funded and controlled by Paris. "What must be kept in mind is that this sovereignty from beginning to end does not vary, it remains a French decision, financed entirely by France. And that is the very foundation of our doctrine," she stated. The minister added that French nuclear posture is not new in its broader strategic outlook, recalling that official defense documents as early as 1972 stated France's vital interests extend beyond its borders.

Funding the expansion

The cost of increasing the warhead inventory from the current stockpile of approximately 290 will be covered through additional allocations under an upcoming update to the 2024-2030 Military Programming Law (LPM). The government plans to add €36 billion to the previously approved €413 billion defense framework, providing resources for the nuclear expansion alongside other military priorities.

Regional context

The French decision comes amid ongoing US-Israeli strikes against Iran that have killed several top Iranian leaders, including Supreme Leader Ayatollah Ali Khamenei and senior military officials. Tehran has retaliated with drone and missile strikes targeting Israel as well as Gulf countries hosting US assets, dramatically escalating regional tensions. While France's nuclear expansion is a long-term strategic move, it reflects broader European concerns about security guarantees and the deteriorating international order as conflicts multiply.