Nuclear Nonproliferation Treaty

Over the course of its 40-year existence, the nuclear Nonproliferation Treaty (NPT) has established an indispensable yet imperfect set of interlocking nonproliferation and disarmament obligations and standards. Rather than the dozens of nuclear-armed states that were forecast before the NPT was opened for signature in July 1968, only four additional countries beyond the original five possessors have nuclear weapons today. On the other hand, several states have abandoned nuclear weapons programs.

The NPT, bolstered by nuclear export controls and a safeguards system, makes it far more difficult for non-nuclear-weapon states to acquire or build nuclear weapons. Equally important, NPT Article VI commits the United States, Russia, the United Kingdom, France, and China to achieve nuclear disarmament. (Continue)