Hospitals With the Most Staff in the World

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.

Source:  Wikipedia - List of largest hospital campuses

Key Findings

🏆
Mayo Clinic Hospital, Saint Marys Campus leads in Staff employed (single campus) with 54,000 in 2026.
📊
Average Staff employed (single campus) in 2026: 23,608  ·  median: 18,500.
↔️
Gap in 2026: Mayo Clinic Hospital, Saint Marys Campus is 3.9× larger than Helsinki University Central Hospital.

Hospitals With the Most Staff in the World

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Data Insights

Numbers, trends & sources behind this chart

Admin
Data Points
12
12 categories  ·  1 year
Top Value
54,000
Mayo Clinic Hospital, Saint Marys Campus
Staff employed (single campus) · 2026
Metrics
1
Staff employed (single campus)
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 are shown as reported by the source. Nothing is rescaled, rebased or converted — the only changes are thousand separators and decimals shown to two places.
  • 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 Source
🥇 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

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