Library System Documentation
The Public Libraries Survey PLS examines when, where, and how library services are changing to meet the needs of the public.
These data, supplied annually by public libraries across the country, provide information that policymakers and practitioners can use to make informed decisions about the support and strategic management of libraries. Purpose: The survey provides statistics on the status of public libraries in the United States.
Coverage: The data are collected from approximately 9, public libraries with approximately 17, individual public library outlets main libraries, branches, and bookmobiles in the 50 states, the District of Columbia, and outlying territories. Content: Data includes information about library visits, Libeary, size of collections, public service hours, staffing, electronic resources, operating revenues and expenditures and number of service outlets. Learn more about PLS data element definitions.
About the Data Files
Frequency: Collected annually since Data files are available since Methods: At the state level, PLS is administered by Data Coordinators, appointed by the chief officer of the state library agency from each state or outlying area. Library System Documentation Data Coordinators collect the requested data from local public libraries and report these data to us via a web-based reporting system. Use: PLS data source useful to researchers, journalists, the public, local practitioners, and policymakers at the federal, state, and local levels, and are used for planning, evaluation, and policy making.
The data files available on our web site are public-use data files. These files have had some data removed to protect the confidentiality of individually identifiable survey respondents.
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Public-use data files are publicly available without restriction, and do not require a license. Survey data are coded or aggregated without individually identifiable information. Data that could be directly identified with one individual salaries and wages Library System Documentation librarians for a library with one librarian, for example are removed. A small proportion of the data that has been collected are Library System Documentation restricted-use data files, which contain individually identifiable information, which is confidential and protected by law.
For more Library System Documentation on restricted-use data files, please contact us. The Docmentation files include information on survey design, imputation, and data suppression; record layouts; and appendices containing the survey questionnaire and data definitions. The record layouts usually in one or more appendices provide:. More than million registered users, representing over Syystem of the nearly million Americans who lived within a public library service area, visited public libraries over 1. Public libraries offered half a million more programs in than in ; million people attended 5.
In addition, the number of electronic materials continued to grow, with public libraries offering over million e-books to their patrons in the United States. Nearly million Americans lived within a public library service area inan increase from million in Public libraries offered 4. In addition, the number of electronic materials, including audio, video and e-books, continued to grow, increasing by over 50 percent between and The PLS shows libraries continuing to adapt to 21st century needs and a growing population.]
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