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University of California, Los Angeles vs University of Pennsylvania

On research quality in 2022–now, University of Pennsylvania ranks #36 in the world and University of California, Los Angeles #38, of 28,054 institutions. University of California, Los Angeles stands higher in 8 of the 14 fields both publish in, University of Pennsylvania in 6.

Research profiles alike: 0.51similar shapes of research, whatever their size. How it is measured

University of California, Los Angeles

United States · Los Angeles

World rank, 2022–now
#38
#16 all time
Works, 2022–now
19k
fractional
Top-10% rate
21.7%
share of its work among the world’s most cited
Open access
32%
of its works free to read

Strongest relative focus: Environmental Chemistry, Structural Biology, Astronomy and Astrophysics.

University of Pennsylvania

United States · Philadelphia

World rank, 2022–now
#36
#17 all time
Works, 2022–now
19k
fractional
Top-10% rate
23.5%
share of its work among the world’s most cited
Open access
39%
of its works free to read

Strongest relative focus: Equine, Transplantation, Aging.

Who leads in each field?

University of California, Los Angeles stands higher in 8 of 14 fields, University of Pennsylvania in 6. Each bar is that side’s standing among all institutions ranked in the field: the full bar is first place.

University of California, Los Angeles 86 University of Pennsylvania
  1. #32Biochemistry, Genetics and Molecular Biology#14
  2. #127Computer Science#152
  3. —Decision Sciences#20
  4. #118Engineering—
  5. #133Environmental Science—
  6. #76Health Professions#20
  7. —Immunology and Microbiology#4
  8. #23Mathematics—
  9. #21Medicine#8
  10. #13Neuroscience#16
  11. —Nursing#2
  12. #42Physics and Astronomy—
  13. #35Psychology#42
  14. #81Social Sciences#95

Standing is the percentile of world rank within each field, 2022–now; the printed number is the rank itself. A dash means the field is too small there to rank. How sides are compared.

Where does each put its research?

Not who is better, but what each side chooses to work on. A country or institution that puts twice the world’s share of its research into a field sits at 2×, whatever its size.

  1. Earth and Planetary Sciences1.9× 0.3×
  2. Environmental Science0.8× 0.3×
  3. Physics and Astronomy2.3× 0.9×
  4. Engineering0.6× 0.3×
  5. Chemical Engineering0.7× 0.4×
  6. Energy0.4× 0.2×
  7. Arts and Humanities0.9× 0.5×
  8. Computer Science0.7× 0.5×
  9. Mathematics1.6× 1.2×
  10. Social Sciences0.8× 0.6×
  11. Psychology1.6× 1.5×
  12. Chemistry0.8× 0.7×
  13. Agricultural and Biological Sciences0.2× 0.2×
  14. Materials Science0.5× 0.5×
  15. Neuroscience2.4× 2.5×
  16. Decision Sciences0.8× 0.8×
  17. Economics, Econometrics and Finance1.0× 1.2×
  18. Pharmacology, Toxicology and Pharmaceutics0.7× 0.8×
  19. Medicine1.5× 2.1×
  20. Health Professions1.0× 1.4×
  21. Biochemistry, Genetics and Molecular Biology1.4× 2.0×
  22. Business, Management and Accounting0.3× 0.5×
  23. Immunology and Microbiology1.5× 2.5×
  24. Nursing0.6× 1.0×
  25. Dentistry1.0× 1.7×
  26. Veterinary0.5× 4.6×
University of California, Los AngelesUniversity of Pennsylvania

Location quotient in 2022–now: the share of each side’s research in the field over the world’s share. 1× is the world’s balance; the axis runs from a quarter of it to four times. Fields where University of California, Los Angeles leans further are at the top, University of Pennsylvania’s at the bottom. How research profiles are compared.

How has their output grown?

2k4k6kUniversity of California, Los Angeles4,467 in 2025University of Pennsylvania4,286 in 20251990200020102020

Fractional works per year. The latest, partial year is left off.

Which publishes more research, University of California, Los Angeles or University of Pennsylvania?

University of California, Los Angeles publishes 1.0× as much research as University of Pennsylvania in 2022–now (19k against 19k fractional works).

Whose research has more impact, University of California, Los Angeles or University of Pennsylvania?

23.5% of University of Pennsylvania's research reaches the world's top 10% most cited, against 21.7% for University of California, Los Angeles.

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