On December 5, 2023, Hungary was among the initial group of EU Member States to sign the European Declaration on Quantum Technologies, issued under the Spanish Presidency of the Council of the EU. According to the European Commission, the declaration recognized the strategic importance of quantum technologies for the scientific and industrial competitiveness of the EU.
Signatory Member States committed to collaborating on the development of a world-class quantum technology ecosystem across Europe. According to a Covington analysis, Hungary joined Denmark, Finland, Germany, Greece, Italy, Slovenia, and Sweden as one of eight initial signatories. Additional Member States signed the declaration in subsequent months, eventually totaling 26 signatories.
Commitments included aligning European, national, and regional R&D programmes in quantum technologies, accelerating the transition from laboratory research to commercial applications, building pan-European quantum infrastructures, and developing a plan of actions with concrete targets. The declaration complemented existing EU quantum goals outlined in the Digital Decade strategy.