We, the Gerontology Research Group (GRG) based in Los Angeles, California, USA, are a global social science institution of researchers in various fields of gerontology, human longevity, public health, and demography. We endeavor to further gerontology research with a goal of slowing and reversing aging. Our focus is also concerned with verifying, validating, and recording supercentenarians – people who eclipse the lifespan of 110 years or more.

Our GRG World Supercentenarian Rankings List is available below. By definition, a supercentenarian is anyone who has been validated to have lived to be 110 years or older.

Click here to view the World Supercentenarian Rankings List

OFFICIAL TABLES on the GRG website will continue to be updated on a regular basis by our GRG Admin Team members Waclaw Jan Kroczek of Tarnowskie Góry, Silesia Voivodeship, Poland, and Robert Young of Atlanta, Georgia, United States.

Click here to learn about recent validations of historical cases by the Gerontology Research Group

The Gerontology Research Group (GRG) was founded in 1990 by L. Stephen Coles, MD PhD, and Steven Kaye MD.  Early members include Steven Harris, MD, Joe Schulman, PhD, Greg Fahy, PhD, Robert Nathan PhD and Michael Rose, PhD. Since its establishment by Dr. L. Stephen Coles, the Gerontology Research Group has thirty years experience in the study of healthy senility and longevity. Among its most notable activities is the validation of supercentenarians, the oldest people on planet Earth.Our mission is to slow and ultimately reverse age related decline for more healthy years of life.

GRG is the foremost authority on the world’s oldest humans — specifically supercentenarian research, authentication and database.  This division is managed by Robert Young who leads a group of international researchers.  GRG is cited by the Guinness Book of World Records and often quoted in newspapers.

If you know a person above age 110, living or historical, who you would like to introduce to us and tell their story, please contact us via our e-mails: ryoung@grg.org  and wjk.grg@gmail.com.

We are a non-profit research institution with the history of 33 years activity dating back to 1990. It is our sincere passion to study and create knowledge on human longevity, healthy senility, and the oldest people, yet we face significant costs: website maintenance, research costs, travel expenditures as we cover huge distances to visit those most important to our study, supercentenarians. If you wish to support our research financially, please donate to our efforts, but only if you can afford it. We would greatly appreciate even a symbolic support.

Account number: PL 23 1020 2368 0000 2402 0621 8814

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