Mayo Clinic Facts

This year, 1.2 million people from all 50 states and more than 135 countries came to Mayo Clinic for care.


  • Site Consultants and Clinical Residents: 6,900
  • Administrative and allied health staff and others: 63,100
  • Total: 70,000 (rounded numbers)


Research personnel

  • Full-time scientific faculty: 252
  • Physicians actively involved in research: 794
  • Full-time research personnel: 4,221

Research activity

  • New human research studies approved by Institutional Review Board: 3,129
  • Active human research studies: 11,608
  • Research publications and review articles in peer-reviewed journals: 8,778
  • Research funding (in millions): 565.1


Mayo Clinic School of Graduate Medical Education

Mayo trains doctors in more than 300 residency and fellowship programs, representing virtually all medical specialties.

  • Enrollment: 1,791
  • Graduates: 738

Mayo Clinic Graduate School of Biomedical Sciences

  • Enrollment: 340
  • Ph.D. graduates: 20
  • M.S. graduates: 18

Mayo Clinic Alix School of Medicine

  • Enrollment: 403
  • Graduates: 49 (anticipated in May 2020)

Mayo Clinic School of Health Sciences

Prepares students in 180 programs representing 55 health science careers

  • Enrollment: 1,829
  • Graduates: 1,190

Mayo Clinic School of Continuous Professional Development

  • Total participants: 84,082

Financial information (in millions)

  • Total revenue from current activity: $13,819
  • Income from current activities: $1,063

Conflict of interest

Mayo Clinic and its staff often collaborate with industry to improve patient care through research agreements, invention licenses and consulting activities. The Mayo Clinic Conflict of Interest Review Board oversees all such activities. Mayo Clinic and its staff members do not receive any royalties for inventions or technology developed at Mayo and subsequently prescribed for Mayo Clinic patients.

If you have questions about Mayo Clinic industry relationships, please ask your physician or contact the Office of Conflict of Interest Review at 507-284-0075.

These facts were accurate as of December 2019.