Newsweek recently released its list of the "The World's Best Hospitals 2021," with Mayo Clinic taking the number one spot.

Cheat sheets: How hospital quality ratings work

Methodology

Newsweek, in collaboration with global market research and consumer data company Statista, formed an expert panel of medical professionals and medical journalists to assess a total of 2,000 hospitals from 25 countries. To make its assessments, the panel used data from three sources:

1. Hospital recommendations provided by a survey of medical experts, including physicians, hospital managers, and health care professionals (55% of a hospital's total score)
2. Patient experience survey data (15% of a hospital's total score)
3. Medical performance metrics on hospitals (30% of a hospital's total score)

The panel used the data to generate several rankings, including a list of best hospitals within each country and an overall list of the top 200 hospitals worldwide.

According to the methodology, the top 100 hospitals were ranked by "the number of international recommendations received in the survey and their national rank." The next 100 hospitals feature "the next best hospitals in each country." They are sorted alphabetically "because the data is too heterogenous between countries to allow for further cross-country comparison." The global list does not feature specialized hospitals.

The lists

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Here are the global top 10 hospitals in the world, according to Newsweek:

1. Mayo Clinic-Rochester (Rochester, Minnesota)
2. Cleveland Clinic (Cleveland)
3. Massachusetts General Hospital (Boston)
4. Toronto General-University Health Network (Toronto)
5. The Johns Hopkins Hospital (Baltimore)
6. Charité-Universitätsmedizin Berlin (Berlin)
7. Karolinska Universitetssjukhuset (Solna, Sweden)
8. Singapore General Hospital (Singapore)
9. Centre Hospitalier Universitaire Vaudois (Lausanne, Switzerland)
10. Sheba Medical Center (Tel Aviv)

Here are the other U.S. hospitals listed in the "Global Top 100 Hospitals," according to Newsweek:

1. Stanford Health Care-Stanford Hospital (Stanford, California)
2. Ronald Reagan UCLA Medical Center (Los Angeles)
3. The Mount Sinai Hospital (New York)
4. University of Michigan Hospitals-Michigan Medicine (Ann Arbor, Michigan)
5. Brigham And Women's Hospital (Boston)
6. New York-Presbyterian Hospital-Columbia and Cornell (New York)
7. Duke University Hospital (Durham, North Carolina)
8. Mayo Clinic-Phoenix (Phoenix)
9. Cedars-Sinai Medical Center (Los Angeles)
10. UCLA Medical Center-Santa Monica (Santa Monica, California)
11. Northwestern Memorial Hospital (Chicago)
12. Hospital of the University of Pennsylvania-Penn Presbyterian (Philadelphia)
13. UCSF Medical Center (San Francisco)
14. Houston Methodist Hospital (Houston)
15. Rush University Medical Center (Chicago)
16. Mayo Clinic - Jacksonville (Jacksonville, Florida)
17. NYU Langone Hospitals (New York)
18. University of Washington Medical Center (Seattle)

Here are the U.S. hospitals listed alphabetically in the "Global Top 101 to 200 Hospitals," according to Newsweek:

• Barnes-Jewish Hospital (Saint Louis, Missouri)
• Baylor St. Luke's Medical Center (Houston)
• Beth Israel Deaconess Medical Center (Boston)
• Cleveland Clinic Fairview Hospital (Cleveland)
• Emory University Hospital (Atlanta)
• Hackensack University Medical Center (Hackensack, New Jersey
• Keck Hospital of USC (Los Angeles)
• Mercy Hospital St. Louis (Saint Louis, Missouri)
• Morristown Medical Center (Morristown, New Jersey)
• OHSU Hospital (Portland, Oregon)
• Scripps Memorial Hospital La Jolla (La Jolla, California)
• Torrance Memorial Medical Center (Torrance, California)
• UC San Diego Health - Jacobs Medical Center (San Diego)
• University Hospitals Cleveland Medical Center (Cleveland)
• University of California - Davis Medical Center (Sacramento, California)
• University of Chicago Medical Center (Chicago)
• UCHealth University of Colorado Hospital (Aurora, Colorado)
• University of Kansas Hospital (Kansas City, Kansas)
• University of Wisconsin Hospitals (Madison, Wisconsin)
• Vanderbilt University Medical Center (Nashville, Tennessee)
• Yale New Haven Hospital (New Haven, Connecticut)

(Gooch, Becker's Hospital Review, 3/5; Paavola, Becker's Hospital Review, 3/3; Cooper, Newsweek, 3/8; Newsweek World's Best Hospitals 2021 Methodology, accessed 3/8).