By Tehniyat Fatima

The growing tensions between the United States and Iran have renewed debate over the credibility and effectiveness of the Nuclear Non-Proliferation Treaty. At a time when the Middle East is already facing instability, the Iran nuclear issue has become a major test for the global non-proliferation system.

The NPT, signed in 1968, was designed to prevent the spread of nuclear weapons while allowing the peaceful use of nuclear energy under international supervision. Iran, a signatory to the treaty, has repeatedly said its nuclear programme is intended for civilian purposes. However, the United States and several other countries have long expressed concern that Tehran could develop nuclear weapons capability.

This mistrust deepened over time. The 2015 Joint Comprehensive Plan of Action temporarily reduced tensions by placing limits on Iran’s nuclear activities, but the US withdrawal from the agreement in 2018 weakened diplomatic progress. Since then, Iran’s uranium enrichment levels have increased and regional tensions have continued to rise.

The current crisis highlights both the strengths and weaknesses of the NPT. On one hand, the treaty has created an international monitoring system through the International Atomic Energy Agency. Inspections and verification have helped maintain some transparency over Iran’s nuclear activities. Without the NPT framework, the international community would have far less information about Iran’s programme.

On the other hand, the Iran crisis has exposed the treaty’s limitations. Despite years of inspections, sanctions and negotiations, the dispute remains unresolved. Critics argue that the NPT suffers from selective implementation and political double standards, with some states facing intense pressure while others outside the treaty framework avoid similar scrutiny.

The Middle East already faces wars, rivalries and major security challenges. In such an environment, the risk of nuclear escalation threatens not only regional stability but also global peace.

The US-Iran conflict shows that arms control treaties alone cannot ensure security unless they are supported by consistent diplomacy, mutual trust and equal application of international law.

The future credibility of the NPT may depend on how effectively the international community manages the Iran nuclear issue. If diplomacy succeeds, the treaty can still prove its value as a tool for conflict prevention. If tensions continue to rise, confidence in the global non-proliferation system may weaken further.

At a time of growing geopolitical instability, preserving the effectiveness of the NPT has become more important than ever.