The Arms Trade Treaty in force since 2014
Promoting responsibility in international transfers of conventional arms
Ecuador deposited its instrument of ratification on 25 February 2026 to become the 118th State Party to the Arms Trade Treaty. The ATT will enter into force for Vanuatu on 26 May 2026.
Welcome to the ATT, Ecuador !
The ATT Secretariat informs States that the funding proposal for the CSP12 Sponsorship Programme is now available. The proposal presents the projected budget necessary to facilitate eligible delegates’ participation in the CSP12 cycle.
States are strongly encouraged to review the proposal and contribute to ensure the continuity of the Sponsorship Programme activities. The document is available here.
The VTF Chairperson’s Call for Contribution and the relevant document were circulated on 06 February 2026, and they are available here.
Information on the procedure to follow when applying to make a financial arrangement with the ATT Secretariat in terms of Rule 8(1)d of the ATT Financial Rules is available here.
Welcome to the ATT, Ecuador !
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Ecuador becomes the 118th State Party
Ecuador deposited its instrument of ratification on 25 February 2026 to become the 118th State Party to the Arms Trade Treaty. The ATT will enter into force for Vanuatu on 26 May 2026.
Welcome to the ATT, Ecuador!
Sponsorship Programme - Call for funding for CSP12 cycle
The ATT Secretariat informs States that the funding proposal for the CSP12 Sponsorship Programme is now available. The proposal presents the projected budget necessary to facilitate eligible delegates’ participation in the CSP12 cycle.
States are strongly encouraged to review the proposal and contribute to ensure the continuity of the Sponsorship Programme activities. The document is available here.
ATT VTF 2026 Call for Contributions is announced
The VTF
Chairperson’s Call for Contribution and the relevant document were
circulated on 22 October 2025, and they are available here
Arrangement with ATT Secretariat in terms of ATT Financial Rule 8(1)d
Information on the procedure to follow when applying to make a financial arrangement with the ATT Secretariat in terms of Rule 8(1)d of the ATT Financial Rules is available here
The Treaty came into force on 24 December 2014. At this stage the Treaty has a total of 118 States Parties and 25 States that have signed but not yet ratified the Treaty.
The Arms Trade Treaty (ATT) is an international treaty that regulates the international trade in conventional arms and seeks to prevent and eradicate illicit trade and diversion of conventional arms by establishing international standards governing arms transfers.
Status of ATT
Participation
State Parties
States that have ratified, accepted, approved or acceded to the treaty.
Signatories that are not yet States Parties
States that have signed the treaty but not yet ratified, approved, or accepted it.
States that have not yet joined the treaty