Universities by Research i10-index in United States
Universities and colleges ranked by OpenAlex's institutional i10-index, the number of works with at least ten citations. This is a research metric, not a measure of teaching quality. OpenAlex is an open scholarly index; larger and older institutions tend to have more indexed research.
1Harvard University1,070,718 works
1,418,490
2Johns Hopkins University522,954 works
772,976
3University of Michigan1,004,841 works
737,840
4Stanford University557,937 works
717,944
5University of California, Los Angeles532,270 works
688,663
6University of Washington543,394 works
671,094
7University of Pennsylvania457,399 works
630,837
8Massachusetts Institute of Technology410,937 works
562,434
9University of California, Berkeley490,094 works
540,319
10University of Wisconsin–Madison393,760 works
539,052
11University of California, San Francisco329,466 works
522,084
12Yale University436,819 works
519,625
13Columbia University430,344 works
517,596
14University of California San Diego405,391 works
515,968
15University of Minnesota424,292 works
514,047
16University of Pittsburgh377,634 works
454,169
17University of Florida376,406 works
450,621
18Cornell University365,403 works
447,650
19The Ohio State University412,120 works
436,738
20Northwestern University330,050 works
415,793
21University of California, Davis306,666 works
408,168
22University of Illinois Urbana-Champaign357,086 works
398,700
23Washington University in St. Louis285,954 works
394,286
24University of North Carolina at Chapel Hill350,916 works
385,704
25Pennsylvania State University357,071 works
360,248
26Duke University294,797 works
358,879
27University of Chicago301,078 works
344,371
28University of Southern California295,250 works
341,545
29New York University323,834 works
336,664
30Texas A&M University276,783 works
309,686
31Purdue University West Lafayette290,783 works
306,005
32Emory University235,364 works
295,237
33The University of Texas at Austin358,026 works
292,334
34California Institute of Technology283,095 works
288,063
35Vanderbilt University202,502 works
282,763
36University of Arizona278,722 works
280,913
37Boston University224,604 works
276,475
38Michigan State University365,362 works
269,629
39Baylor College of Medicine173,649 works
265,955
40University of Utah224,820 works
265,210
41University of Maryland, College Park241,876 works
259,857
42Rutgers, The State University of New Jersey255,259 works
256,399
43University of Iowa203,874 works
255,700
44University of California, Irvine205,396 works
249,784
45University of Virginia213,820 works
229,565
46Princeton University213,896 works
225,238
47University of Illinois Chicago186,138 works
225,012
48University of Alabama at Birmingham163,871 works
224,829
49Case Western Reserve University183,823 works
223,251
50Icahn School of Medicine at Mount Sinai171,304 works
222,730
Highlights
Within United States, Harvard University ranks first in 2026 with 1,418,490, followed by Johns Hopkins University (772,976) and University of Michigan (737,840).
Harvard University is 1.8 times higher than Johns Hopkins University, the runner-up.
Across 50 entries, values run from 1,418,490 (Harvard University) to 222,730 (Icahn School of Medicine at Mount Sinai), with a median of 359,564.
Source: OpenAlex, institutional Research i10-index, 2026. Unit: i10-index.
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