Who is the oldest person alive?

Answer:

As of late 2011, Besse Cooper of Monroe, Georgia, USA, born 26 August 1896, was the world's oldest known living person, at an age of 115 years.

At any given time, there are also about 50 people in the world with unverified claims as to their age, and this can range from 110 to 127 or more.

The oldest man (by verified age) is currently Jiroemon Kimura of Japan (born 19 April 1897) at 114 years of age.

For an up-to-date list, see the related link below.

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