The Irish Social Science Data Archive (ISSDA) is Ireland’s primary center for the acquisition, preservation, and dissemination of quantitative data in the social sciences, established in 2000. Based at UCD Library, it provides access to high-quality datasets for researchers and students while ensuring long-term data preservation and enhancing access through tools like NESSTAR. ISSDA offers support services for data requests, queries, and workshops to help researchers effectively utilize the available data.