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Your assumption that humans somehow live longer than most other animals seems to be a misconception. You see, it is not only humans, but most large animals around our size, and larger, which live longer (for example, sea turtles live up to 200 years).
What is the Human Life Span? Given that the human life span is defined by the longest observed human life from birth to death, it is a figure that has changed over the years. For humans, the current accepted maximum life span is 122 years. This age was achieved by Jeane Louise Calment of France. Calment lived from February 21, 1875, to August 4, 1997, until she was exactly 122 years and 164 days old.