"Human lifespan" refers to the length of time a person typically lives from birth to death. It is the duration of a person's life on Earth. Full definition
For example, scientists have found that deleting a handful of genes could potentially increase human lifespan by 60 percent, which seems incredible. (entrepreneur.com)
Their research is maturing rapidly into groundbreaking technology that can extend healthy human lifespan. (methuselahfund.com)
I've lived for a quarter of a century, roughly a third of the average human lifespan. (exsloth.com)