Hospitals With the Most Staff in the World

Source: Wikipedia - List of largest hospital campuses

Hospitals With the Most Staff in the World

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Key Findings

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Mayo Clinic Hospital, Saint Marys Campus leads in Staff employed (single campus) with 54,000 in 2026.

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Average Staff employed (single campus) in 2026: 23,608 · median: 18,500.

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Gap in 2026: Mayo Clinic Hospital, Saint Marys Campus is 3.9× larger than Helsinki University Central Hospital.

About This Dataset

Hospitals With the Most Staff in the World

Staff numbers measure a hospital's size differently from bed counts, capturing research, teaching and outpatient work as well as inpatient care. This chart ranks single hospital campuses by the number of staff they employ, using the latest figure reported for each.

Analysis

Mayo Clinic Hospital, Saint Marys Campus employs 54,000 people, 1.7 times the 31,801 at Cleveland Clinic (main campus). 5 of the 12 hospitals shown are in the United States. Together they employ 283,300 people; the smallest workforce on this chart, at Helsinki University Central Hospital, is 13,700.

Data Insights Below

Data Insights

Numbers, trends & sources behind this chart

Admin

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Data Points

12 categories · 1 year

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Top Value

54,000

Mayo Clinic Hospital, Saint Marys Campus

Staff employed (single campus) · 2026

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Metrics

Staff employed (single campus)

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Period

2026

Single year snapshot

Methodology & source

Data source: Wikipedia - List of largest hospital campuses
Coverage: 12 entities · 2026 · 12 observations
Measure: Staff employed (single campus)
Last updated: 10 September 2026
Compiled by: The ANYSTAT team, from the source above

How the figures are calculated

Values use the measure and unit named on this page. Consult the dataset description and cited source for coverage, definitions and any unit conversions. Displayed values may be rounded for readability.
Entities are ranked highest-first on their value in 2026.

Rankings & Full Data

12 records · Staff employed (single campus) · ranked by 2026

✓ 12 sourced

#	Category	2026
🥇	Mayo Clinic Hospital, Saint Marys Campus	54,000
🥈	Cleveland Clinic (main campus)	31,801
🥉	Johns Hopkins Hospital	30,000
4	Oslo University Hospital	25,123
5	The Ohio State University Wexner Medical Center	25,015
6	Hospital das Clínicas da Universidade de São Paulo	19,000
7	Erasmus MC	18,000
8	Singapore General Hospital	17,661
9	Sahlgrenska University Hospital	17,000
10	University Medical Center Groningen	17,000
11	Massachusetts General Hospital	15,000
12	Helsinki University Central Hospital	13,700

Data Sources & References

All external sources cited in this dataset

1 https://en.wikipedia.org/wiki/List_of_largest_hospital_campuses Visit ↗

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APA

ANYSTAT. (2026). Hospitals With the Most Staff in the World [Data set]. Data: Wikipedia - List of largest hospital campuses. https://anystat.ai/stats/1744/hospitals-with-the-most-staff-in-the-world-1789066032

MLA

"Hospitals With the Most Staff in the World." ANYSTAT, 10 Sep. 2026, https://anystat.ai/stats/1744/hospitals-with-the-most-staff-in-the-world-1789066032.

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<a href="https://anystat.ai/stats/1744/hospitals-with-the-most-staff-in-the-world-1789066032">Hospitals With the Most Staff in the World</a> (ANYSTAT)

Hospitals With the Most Staff in the World