As a collecting center of all books and literature in Korea, the National Library of Korea collects national literature, contemporary knowledge products, as well as cultural heritage in a holistic and systematic way. Collecting resources is the most important basic function of the library. Books are collected through submission by publisher, purchase, donation or international exchange. The library collects an annual average of 530,000 volumes.
International Exchange

The National Library of Korea has continued its efforts to collect government-issued publications, materials produced by academic and research institutions, and Korea-related materials published overseas through exchanges with major foreign libraries throughout the world. It has received publications by the United Nations, Organization for Economic Cooperation and Development (OECD), World Health Organization (WHO), Asia Development Bank (ADB), International Fund for Agricultural Development (IFAD), Food and Agriculture Organization (FAO), and the International Labor Organization (ILO), which have designated the National Library of Korea as a depository library.

Digitization of Overseas Records on Korea

The National Library of Korea searches and collects records on Korea in overseas countries to procure primary research materials and support for studies on modern and contemporary history of Korea. The National Library of Korea has collected from the Library of Congress (USA), Harvard Yenching Library, the National Diet Library of Japan and other institutions housing records on Korea; records on Korea has also been digitally collected from the National Archives and Records Administration (NARA) since 2004.