The NCL also frequently receives visits by international experts and scholars of library and information science and other related fields to develop exchange relations. The greatest number of overseas visitors comes from the U.S., followed by China. The NCL also receives many visits by librarians at organizations with which the NCL maintains exchange relations. In addition, the NCL warmly welcomes visits by persons invited to Taiwan by the Ministry of Foreign Affairs, Ministry of Education, and other government agencies or academic institutes. The NCL also frequently invites foreign experts and scholars to Taiwan to present lectures or hold discussions with library staff in order to enhance professional exchanges.