So Many People Reply

In visiting various sites on my blogroll, today, I found some interesting stuff on Dr Roger Pielke, Jr’s site.

Dr Pielke is an environmental studies professor at the University of Colorado, and writes about some interesting things. Today he talks about How Many People Have Ever Lived On Earth, an article by the Population Reference Bureau. What you may have heard is wrong about the total number of people who have lived.

There is apparently some misinformation that about seventy-five percent of all the people who have ever lived on earth are alive, right now. The article puts the kibosh on that. Somebody once made this up, and stuff like this just never seems to die.

You can watch the video, and look at the chart in the article. The numbers are based on estimates, but approximately 107 trillion people have been born in this world. Note that there is a cutoff in how far back the estimates go, and you  had to be a registered homo sapiens to be considered people.

So, 50,000 years BC is  used for the estimated starting point. The article works it out that only about 6 1/2 percent of the people are alive, now with the 2011 population estimate of the earth at about 6 blllion, plus.

Argue with the estimates all you want, but you will still come up with the answer that a LOT of people have tread this earth, most of them for a short time.

If I had a penny for every person who has ever lived, I wouldn’t need to win the lottery. I could fund the lottery, and even launch a real stimulus program as opposed to what we have seen, lately.

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