Quote:
Originally Posted by
The entire world population back before the 1300s was very small
compared to today. - aprox. 360 million. In 1000AD it was only 265
million.
The total number of humans who have lived on earth between 33AD and
2000AD is aprox 36,673,000,000
Over this same period there have been 8,344,000,000 Christians
In this same period, 69,420,000 christians have been killed for their
beliefs - 5,578,000 of these killed by other christians
Of these 69,420,000 christians killed over the last 2000 years,
45,400,000 were killed between 1900 and 2000AD.
Of these, 13,3000,000 have been killed since 1950.
Since 2000 the average has been 160,000 per year, and this is
increasing at an alarming rate both in the north African and middle
eastern Islamic states , the micronesian islamic states, and the
indian subcontinent
These numbers come from the Gordon Conwell Theological Seminary.
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I don't know how one could come up with reasonable estimates of the world's population centuries ago when it's known that there's an anomoly in the amount of diversity there is in human DNA.
Studies have shown that the amount of diversity in the DNA of human population groups around the world is less than it should be presuming that people evolved from apes over the past 1.2 million years. The amount of diversity suggests that at some time in our past, there was a mass extinction of people and only a small fraction of humans on this Good Earth survived.
Scientists believe that that mass extinction occured around the time of the last ice age, which ended about 25,000 years ago. It is believed that the Earth cooled significantly and the people who lived in the northern latitudes largely starved to death, leaving a very much smaller genetic pool than would have been the case assuming normal population growth over the past 1.2 million years.
So, the population of the Earth 25,000 years ago is anyone's guess, and the extent to which it was culled as a result of that mass extinction is another SWAG (scientific wild a$$ed guess). All we know for sure is that there was a mass extinction that greatly reduced the human population, but what fraction of humans survived is unknown.