[After analyzing the hypothetical of an extra, random person dying every second.] All in all, the losses would be dramatic, but not devastating to our species as a whole. And really, in the end, the global death rate is 100%—everyone dies.

. . . or do they? Strictly speaking, the observed death rate for the human condition is something like 93%—that is, around 93% of all humans have died. This means the death rate among humans who were not members of The Beatles is significantly higher than the 50% death rate among humans who were.

--Randall Munroe, "Death Rates"