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| Number of items in library collections and the number of times items are in circulation at Title IV degree-granting institutions, by level and control of institution, and type of library collection or circulation: United States, fiscal year 2015 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Type of library collection or circulation | All institutions | 4-year | 2-year | ||||||
| Public | Private | Public | Private | ||||||
| Nonprofit | For-profit | Nonprofit | For-profit | ||||||
| Total library collections | 2,128,232,983 | 1,026,437,997 | 744,388,551 | 156,250,838 | 161,698,160 | 6,132,692 | 33,324,745 | ||
| Physical library collections (books and media) | 1,290,048,554 | 778,295,283 | 450,290,497 | 5,115,092 | 54,403,857 | 1,010,201 | 933,624 | ||
| Physical books | 1,036,222,736 | 586,947,917 | 392,754,126 | 4,443,387 | 50,253,577 | 960,529 | 863,200 | ||
| Physical media | 253,825,818 | 191,347,366 | 57,536,371 | 671,705 | 4,150,280 | 49,672 | 70,424 | ||
| Electronic library collections (books, databases, and media) | 838,184,429 | 248,142,714 | 294,098,054 | 151,135,746 | 107,294,303 | 5,122,491 | 32,391,121 | ||
| Digital/electronic books | 675,628,497 | 208,998,345 | 236,084,961 | 114,581,822 | 84,216,122 | 4,849,625 | 26,897,622 | ||
| Databases | 4,559,827 | 252,822 | 1,076,401 | 662,281 | 430,835 | 2,552 | 2,134,936 | ||
| Digital/electronic media | 157,996,105 | 38,891,547 | 56,936,692 | 35,891,643 | 22,647,346 | 270,314 | 3,358,563 | ||
| Total library circulations | 917,509,976 | 350,916,879 | 217,806,009 | 237,597,265 | 92,273,071 | 593,847 | 18,322,905 | ||
| Physical library circulations (books and media) | 81,181,519 | 36,267,910 | 30,904,501 | 1,178,546 | 12,389,619 | 223,001 | 217,942 | ||
| Digital/electronic circulations1 (books, databases, and media) | 836,328,457 | 314,648,969 | 186,901,508 | 236,418,719 | 79,883,452 | 370,846 | 18,104,963 | ||
1 Digital/electronic circulation is defined as usage of digital/electronic titles whether viewed, downloaded, or streamed.
NOTE: Title IV institutions are those with a written agreement with the U.S. Department of Education that allows the institution to participate in any of the Title IV federal student financial assistance programs. The four U.S. service academies that
SOURCE: U.S. Department of Education, National Center for Education Statistics, IPEDS, Spring 2016, Academic Libraries component (final data).
