Who is the oldest person all the time?

The oldest person of all time is Jeanne Calment of France. She was born on 21 February 1875 and died on 4 August 19997.She was 122 years, 164 days old when she died.

Note:-If your question was about the oldest person who is alive then it is Kama Chinen of Japan. She was born on 10 May 1895 and is 114 years, 282 days old.