| Number | Source | Library Name | Volumes Held | | 1 | L | Library of Congress | 34,528,818 | | 2 | P+A | Boston Public Library (Branches + Research Collections) | 19,090,261 | | 3 | A | Harvard University | 16,832,952 | | 4 | P+A | New York Public Library (Branches + Research Collections) | 16,342,365 | | 5 | A | University of Illinois - Urbana-Champaign | 13,158,748 | | 6 | A | Yale University | 12,787,962 | | 7 | A | University of California - Berkeley | 11,545,418 | | 8 | A | Columbia University | 11,189,036 | | 9 | A | University of Michigan | 10,778,736 | | 10 | A | University of Texas - Austin | 9,990,941 | | | | | |
| | 11 | A | University of Chicago | 9,837,021 | | 12 | A | University of California - Los Angeles | 9,151,964 | | 13 | P | Public Library of Cincinnati & Hamilton County | 8,819,759 | | 14 | A | Indiana University | 8,677,974 | | 15 | S | Stanford University | 8,500,000 | | 16 | A | University of Wisconsin - Madison | 8,421,198 | | 17 | A | Cornell University | 8,173,778 | | 18 | A | Princeton University | 7,226,744 | | 19 | A | University of Washington | 7,203,156 | | 20 | A | University of Minnesota | 7,111,311 | | | | | |
| | 21 | P | Detroit Public Library | 7,070,433 | | 22 | A | University of North Carolina - Chapel Hill | 7,012,787 | | 23 | P | County of Los Angeles Public Library | 6,795,552 | | 24 | P | Queens Borough Public Library | 6,544,609 | | 25 | P | Los Angeles Public Library | 6,459,552 | | 26 | A | University of Pennsylvania | 6,438,305 | | 27 | A | Duke University | 6,174,814 | | 28 | A | Ohio State University | 6,161,657 | | 29 | A | University of Pittsburgh | 6,148,036 | | 30 | A | University of Arizona | 5,998,148 | | | | | |
| | 31 | P | Chicago Public Library | 5,790,289 | | 32 | A | University of Oklahoma | 5,662,666 | | 33 | A | Michigan State University | 5,609,761 | | 34 | A | University of Virginia | 5,607,915 | | 35 | P | San Diego Public Library | 5,535,415 | | 36 | A | University of Iowa | 5,490,825 | | 37 | A | Pennsylvania State University | 5,441,121 | | 38 | A | New York University | 5,382,424 | | 39 | A | Northwestern University | 5,047,970 | | 40 | P | Free Library Of Philadelphia | 5,043,943 | | | | | |
| | 41 | P | Dallas Public Library | 4,972,494 | | 42 | P | Hennepin County Library | 4,961,514 | | 43 | A | University of Georgia | 4,810,192 | | 44 | A | Rutgers University | 4,722,407 | | 45 | A | University of Colorado | 4,681,261 | | 46 | A | Texas A&M University | 4,577,498 | | 47 | A | Arizona State University | 4,497,114 | | 48 | A | University of Florida | 4,414,450 | | 49 | A | University of Cincinnati | 4,379,445 | | 50 | A | North Carolina State University | 4,332,899 | | | | | |
| | 51 | A | Washington University - St. Louis | 4,323,958 | | 52 | A | University of Kansas | 4,318,644 | | 53 | A | Brigham Young University | 4,292,056 | | 54 | P | Cleveland Public Library | 4,273,202 | | 55 | P | Brooklyn Public Library | 4,233,304 | | 56 | A | Brown University | 4,187,257 | | 57 | A | University of Southern California | 4,180,515 | | 58 | A | University of California - Davis | 4,175,047 | | 59 | A | Tulane University | 4,155,793 | | 60 | A | Louisiana State University | 4,128,626 | | | | | |
| | 61 | A | University of Connecticut | 4,096,396 | | 62 | P | King County Library System | 4,044,907 | | 63 | A | State University of New York - Buffalo | 4,029,865 | | 64 | A | Temple University | 3,990,379 | | 65 | A | University of South Carolina | 3,963,958 | | 66 | A | University of Maryland | 3,930,013 | | 67 | A | University of Kentucky | 3,915,579 | | 68 | A | University of California - San Diego | 3,830,802 | | 69 | A | University of Rochester | 3,826,916 | | 70 | P | Hawaii State Public Library System | 3,776,405 | | | | | |
| | 71 | A | Johns Hopkins University | 3,701,215 | | 72 | A | University of Massachusetts - Amherst | 3,697,796 | | 73 | P | Miami-Dade Public Library System | 3,674,651 | | 74 | A | University of Notre Dame | 3,673,092 | | 75 | A | Wayne State University | 3,655,805 | | 76 | A | Emory University | 3,619,813 | | 77 | A | University of Hawaii | 3,602,058 | | 78 | A | University of Missouri - Columbia | 3,561,607 | | 79 | A | University of Alabama | 3,533,794 | | 80 | A | Vanderbilt University | 3,531,208 | | | | | |
| | 81 | A | University of Nebraska - Lincoln | 3,500,601 | | 82 | P | Broward County Libraries Division | 3,477,312 | | 83 | A | Auburn University | 3,472,547 | | 84 | A | Oklahoma State University | 3,468,428 | | 85 | A | Georgetown University | 3,461,170 | | 86 | A | University of Utah | 3,441,965 | | 87 | A | University of New Mexico | 3,430,200 | | 88 | P | Mid-Continent Public Library | 3,419,516 | | 89 | P | Allen County Public Library | 3,412,830 | | 90 | P | Saint Louis Public Library | 3,352,775 | | | | | |
| | 91 | A | University of Miami | 3,348,622 | | 92 | A | University of Tennessee - Knoxville | 3,330,181 | | 93 | A | Syracuse University | 3,291,384 | | 94 | P | Cuyahoga County Public Library | 3,252,456 | | 95 | A | University of California - Irvine | 3,223,679 | | 96 | P | Buffalo & Erie County Public Library | 3,211,709 | | 97 | A | Southern Illinois University - Carbondale | 3,203,455 | | 98 | A | MIT/Massachusetts Institute of Technology | 3,119,157 | | 99 | A | University of California - Riverside | 3,066,630 | | 100 | P | Houston Public Library | 3,061,773 | |
