<p>source: National Science Foundation
- = private</p>
<p>Baccalaureate origins of PhDs 1995-99</p>
<p>Baccalaureate institution, (1995–99) Ph.D.s produced </p>
<p>All U.S. institutions 140,286
University of California Berkeley 2,330
University of Michigan Ann Arbor 1,562
Cornell University * 1,545
University of Illinois Urbana-Champaign 1,524
University of Wisconsin Madison 1,390
University of Texas Austin 1,328
Pennsylvania State University University Park 1,274
Harvard University * 1,209
University of California Los Angeles 1,171
University of Minnesota Twin Cities 1,105
Massachusetts Institute of Technology * 1,053
Ohio State University Columbus 1,038
Brigham Young University * 1,011
Michigan State University 1,004
Yale University * 973
Stanford University * 937
Texas A&M University College Station 902
University of California Davis 890
University of Pennsylvania * 888
University of Florida 882
Purdue University West Lafayette 866
Indiana University Bloomington 829
University of Washington Seattle 814
Princeton University * 807
University of Virginia Charlottesville 806
Rutgers State University of New Jersey New Brunswick 794
Brown University * 774
University of Colorado Boulder 770
University of Maryland College Park 752
University of North Carolina Chapel Hill 698
Virginia Polytechnic Institute and State University 697
Duke University * 688
University of Massachusetts Amherst 671
University of California San Diego 661
Northwestern University * 651
Iowa State University 644
State University of New York at Buffalo 643
University of Chicago * 642
University of Arizona 635
University of Iowa 620
University of California Santa Barbara 604
Oberlin College * 582
University of California Santa Cruz 575
Boston University * 569
University of Missouri Columbia 547
Arizona State University Tempe 535
Florida State University 532
Columbia University in City of New York * 531
University of Tennessee Knoxville 523
University of California Irvine 511</p>
<p>Top 50 as percentage of total 31.4</p>