Public libraries with librarians who held an ALA-MLS in the U.S. in 2009 and 2011

This statistic shows the share of public libraries with librarians who held an American Library Association- Masters in Library Science (ALA-MLS) in the United States in 2009 and 2011, by locale. In 2011, 25.3 percent of public libraries in rural areas had a librarian with an ALA-MLS.本统计数据显示了2009年和2011年美国各地区公共图书馆中，由美国图书馆协会（American Library Association）颁发的图书馆科学硕士（Masters in Library Science, ALA-MLS）资格的图书管理员所占的比例。在2011年，农村地区的公共图书馆中，拥有ALA-MLS资格的图书管理员占比达到了25.3%。