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Originally posted by Hawking
I, for one, am all for lowering our population, or at least slowing the explosive increase we're dealing with right now.
Originally posted by Ben81
How can people know we are 7 billion on earth ?
did they scanned the entire planet ?
maybe 8, 9 or 10 ?
counting everyone everywhere and even underground
How can people know we are 7 billion on earth ?
Strange.. from 1500 to 1749 there where precisely 500.000 people on earth
Originally posted by OneMeanMom
I was 4,830,017,645th
Whoa buddy! That's pretty cool. Looks like we need to cool it on breeding. We are living on low resourses as it is.
All figures regarding the population sizes of the world, regions, and countries - total and disaggregated by age and sex - from 1950 onward are based on UN Population Division. World Population Prospects. The 2010 Revision. All figures regarding the proportions of urban and rural population of the world, regions, and countries, as well as population sizes of cities over 750,000 inhabitants, are based on UN Population Division. World Urbanization Prospects. The 2009 Revision. World and regional populations before 1950 are based on figures published by the UN Population Division. The World at Six Billion, complemented by additional data points from other sources. The computation of the number of people that ever lived on earth is based on the same methodology as Carl Haub. How many people have ever lived on earth ? Population Today 1995 (updated in 2002). However, the results are lower because this spreadsheet uses some population data for intermediate points in time that were not included in Haub's original article. Data from 1950 onward are also different. The number of births that occurred on any particular day is a simple average that does not consider seasonal fluctuations of birth rates. Male fertility is assumed to be equal to female fertility, shifted forward by 3 years. Data on contraceptive prevalence by country are based on UN Population Division. World Contraceptive Use 2010. The estimates of species extinction are based on Wilson, Edward O. The diversity of Life, The Belknap Press of Harvard university Press, Cambridge, Mass.1992. Maternal mortality data are from WHO/UNICEF/UNFPA/World Bank. Trends in maternal mortality: 1990 to 2008. Data on marital status are from UN Population Division. World Marriage Data 2008. Thie program only works for people who is younger than 100 years old.