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Longevity claims are claims to extreme longevity (usually 115 or older) that either cannot be verified or for whom only some evidence is available. The issue of just what constitutes a "longevity claim" has been problematic. By its broadest definition, a "longevity claim" is "any claim to longevity". However, for the purpose of scientific standardization (analogous to "meterological winter"), the definition of "longevity claim" must be defined in such a way that it can be useful as a category. The scientific definition limits claims to those that are of such an extreme age that the likelihood of the claim being true, prima facie, is improbable, but not impossible. Currently, this definition works best with the range of 115 (1-2% chance of being true) to 130 (the approximate theoretical max

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  • Longevity claims
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  • Longevity claims are claims to extreme longevity (usually 115 or older) that either cannot be verified or for whom only some evidence is available. The issue of just what constitutes a "longevity claim" has been problematic. By its broadest definition, a "longevity claim" is "any claim to longevity". However, for the purpose of scientific standardization (analogous to "meterological winter"), the definition of "longevity claim" must be defined in such a way that it can be useful as a category. The scientific definition limits claims to those that are of such an extreme age that the likelihood of the claim being true, prima facie, is improbable, but not impossible. Currently, this definition works best with the range of 115 (1-2% chance of being true) to 130 (the approximate theoretical max
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abstract
  • Longevity claims are claims to extreme longevity (usually 115 or older) that either cannot be verified or for whom only some evidence is available. The issue of just what constitutes a "longevity claim" has been problematic. By its broadest definition, a "longevity claim" is "any claim to longevity". However, for the purpose of scientific standardization (analogous to "meterological winter"), the definition of "longevity claim" must be defined in such a way that it can be useful as a category. The scientific definition limits claims to those that are of such an extreme age that the likelihood of the claim being true, prima facie, is improbable, but not impossible. Currently, this definition works best with the range of 115 (1-2% chance of being true) to 130 (the approximate theoretical maximum human lifespan). Longevity claims differ from existing verified supercentenarian cases, and also from longevity myths in that either some evidence exists, the case has not been proven false, and/or the claim was not constructed as a result of a longevity myth, which tends to focus on the village elder concept, fountain of youth concept, nationalist mythology, racial mythology, patriarchal mythology, etc. One test of this is the idea, put forth by William Thoms in the 1870s, of the 100th birthday test: is there evidence of the person claiming to be age 100 some 10 or more years prior to their claim? This test does not prove a person's age (indeed, Susie Brunson passed this test, but later was shown to have exaggerated her age well before this time). However, this test does separate the typical pension-claim longevity exaggeration (which tends to run to about age 115 up to 125) and the myth of longevity claim, whereby a spontaneous claim is made that a certain village elder is 150 or 167. E.g.: Bir Narayan Chaudhuri may have claimed to be 141 years old in 1998, but there was no evidence of a 100th birthday party 41 years earlier. For claims to 130+ (beyond the range of statistical scientific possibility), please see longevity myths.
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