An annual event on December 22 of each year It aims to unify joint efforts from all parties and entities related to population development to discuss and consult on population issues in Yemen. The General Secretariat for Population aims through this event to shed light on population issues and enhance joint cooperation between the parties, in addition to discussing issues related to population in Yemen, where issues are adopted. Population: In each annual session of National Population Day, and through this annual event, the features of cooperation and activities related to population are drawn, and the initiative aims to mobilize the efforts of parties related to population work: Supervisory government agencies. Government agencies related to population work. Non-governmental organizations interested in international, local and international population issues. Educational and research institutions interested in population issues. Experts, specialists and researchers in population issues. The private sector interested in population and development issues.