this error is because of assumptions about the life expectancy, right? | Hacker News

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		robbles on May 9, 2011 \| parent \| context \| favorite \| on: What percentage of people are alive today? this error is because of assumptions about the life expectancy, right?

jonathanbgood on May 9, 2011 [–]

Yes, their birth rate assumptions would only yield the population milestones they suggest if the life expectancy was significantly below the reported level.

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