The P4+1 and Iran Nuclear Deal Alert

Flags of the Iran Deal Negotiating Partners

Periodic alerts providing news and analysis on the negotiations and implementation of the Joint Comprehensive Plan of Action between the P5+1 (China, Germany, France, Russia, the United Kingdom, and the United States) and Iran over the latter's nuclear program. To receive these by email, subscribe to our regular updates list.


  • Kelsey Davenport
    July 31, 2025

    Iran and the E3 (France, Germany, and the United Kingdom) met on July 25 in Istanbul, the first
    nuclear talks since Israel attacked Iran on June 13. Enrichment of uranium remains a key issue.

  • Kelsey Davenport
    May 8, 2025

    The United States and Iran held three constructive rounds of negotiations over Iran’s nuclear program, but comments from Washington and Tehran suggest that key differences remain.

  • Kelsey Davenport
    February 13, 2025

    U.S. President Donald Trump announced steps to increase pressure on Iran over its advancing nuclear program but said he was not happy about the decision and reiterated his support for negotiating a nuclear deal.

  • Kelsey Davenport
    July 17, 2024

    It is unclear how much latitude Iran's new president will have in shaping Tehran’s relations with the West after he takes office in August. It is unlikely that the country’s nuclear policy, which is determined by Supreme Leader Ayatollah Ali Khamenei, will shift significantly from its current trajectory.

  • Kelsey Davenport
    March 14, 2024

    The IAEA reports a small decrease in Iran’s 60 percent uranium stockpile, but no progress on the safeguards investigation. In the meantime, the annual U.S. Worldwide Threat Assessment, released after a Congressional hearing March 11, assesses that Iran is not engaged in weaponization activities.