United Nations Depository Libraries accept United Nations publications under deposit and make such publications open to the general public for the purpose of gaining a world consensus of understanding towards United Nations activities. As of April 2006, there are 400 United Nations Depository Libraries in the world. Of these libraries, 14 are located in Japan. Kyushu has 3 United Nations Depository Libraries located within Ryukyu University in Okinawa and Seinan Gakuin University and the Fukuoka City Public Library in the City of Fukuoka.

As of April 2006, the Kyushu U.N. Depository Library at the Fukuoka City Public Library holds 33,104 U.N. publications which include Official Records of the U.N., material on the U.N. General Assembly, Economic and Social Councils, Trusteeship Councils, U.N. Treaty Series as well as U.N. documents, magazines, newsletters, records of U.N. proceedings, U.N. reports and specialized (UNESCO, WHO, ILO) and related publications (UNICEF, HABITAT). In addition, the library carries 413 U.N. periodicals.