Global nuclear arms control under pressure in 2026

The fragile global legal framework for nuclear weapons control faces further setbacks in 2026, eroding guardrails to avoid a nuclear crisis.

The first half of the year will see two key events: the US-Russia bilateral treaty, New START, expires on February 5, and in April, New York hosts the Review Conference (RevCon) of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) the cornerstone of global nuclear security frameworks.