So if there are 7,632,819,325 people currently alive (According to google), then how many of those people are "One in a million"? My math behind it was to divide the number by a million, but I just wanted to double check. I got the number 7,632; as expected- but this felt a little too easy. (Math has never been my strong suit, lol.) Thanks!
2026-03-26 14:42:17.1774536137
How many one in a million people exist?
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For a single trait for a human to possess such that the odds of a single person possessing that trait are "one in a million", then the expected number of people globally to possess that trait would be around 7,632 as you state. But, that is just the expected number. Since this would be a binomial distribution, you are likely to come close to that number, but if you wanted a 95% confidence interval, it would be more like you can be 95% confident that between 7,463 and 7,809 people are "one in a million".