The longest verified human life span on record is 122 years.
Notes on verification
Confirmed by Guinness World Records, Wikipedia, and a peer-reviewed study; refers to Jeanne Calment's documented lifespan of 122 years, 164 days, widely accepted as the longest verified human lifespan. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Longevity: Humans Could Live for Up to 194 Years, Researchers Say (seed:health_and_medicine)
- https://www.guinnessworldrecords.com/world-records/oldest-person (corroboration)
- https://pubmed.ncbi.nlm.nih.gov/31928146/ (corroboration)