Chile becomes an Associate Member State of CERN

Chile becomes an Associate Member State of CERN Effective 2 April 2026, Chile has become an Associate Member State of CERN. Its status entered into force following Chile’s ratification of the Associate Member State Agreement of May 2025 and its accession to the Protocol on CERN’s Privileges and Immunities.  Chile is henceforth entitled to be represented at the CERN Council, Finance Committee and Scientific Policy Committee. CERN’s partnership with Chile dates back to 1991, when the first international cooperation agreement was signed.

Since then, Chilean universities and research institut