The Korea Social Science Data Archive (KOSSDA) is Korea’s leading archive for social science data. It collects, preserves, and provides access to diverse research materials such as surveys, interviews, and observation notes. KOSSDA builds digital databases, collaborates with experts, and contributes to national research outputs like Korean Social Trends and key indicators. It also engages in international networks such as NASSDA to become a hub for social science data in Asia. KOSSDA hosts academic events and offers training in methodology and data analysis.