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Sustainable Society:  A society that balances the environment, other life forms, and human interactions over an indefinite time period.

 

 

 

 

 


 

Historical Estimates of World Population*

(Population in millions. When lower and upper estimates are the same they are shown under "Lower.")
 

Year Summary Biraben Durand Haub McEvedy
and Jones
Thomlinson UN, 1993 UN, 1999 USBC
Lower Upper Lower Upper Lower Upper Lower Upper
-10000 1 10         4 1 10        
-8000 5         5              
-6500 5 10               5 10    
-5000 5 20         5 5 20        
-4000 7           7            
-3000 14           14            
-2000 27           27            
-1000 50           50            
-500 100           100            
-400 162   162                    
-200 150 231 231       150            
1 170 400 255 270 330 300 170 200   200 400 300  
200 190 256 256       190            
400 190 206 206       190            
500 190 206 206       190            
600 200 206 206       200            
700 207 210 207       210            
800 220 224 224       220            
900 226 240 226       240            
1000 254 345 254 275 345   265         310  
1100 301 320 301       320            
1200 360 450 400     450 360            
1250 400 416 416                 400  
1300 360 432 432       360 400          
1340 443   443                    
1400 350 374 374       350            
1500 425 540 460 440 540   425         500  
1600 545 579 579       545            
1650 470 545       500 545 500   470 545    
1700 600 679 679       610 600          
1750 629 961 770 735 805 795 720 700   629 961 790  
1800 813 1,125 954       900 900   813 1,125 980  
1850 1,128 1,402 1,241     1,265 1,200 1,200   1,128 1,402 1,260  
1900 1,550 1,762 1,633 1,650 1,710 1,656 1,625 1,600   1,550 1,762 1,650  
1910 1,750                     1,750  
1920 1,860                     1,860  
1930 2,070                     2,070  
1940 2,300                     2,300  
1950 2,400 2,556 2,527     2,516 2,500 2,400   2,486   2,520 2,555

Sources:

Biraben, Jean-Noel, 1980, An Essay Concerning Mankind's Evolution,
Population, Selected Papers, December, table 2.
Durand, John D., 1974, "Historical Estimates of World Population: An Evaluation,"
University of Pennsylvania, Population Center,
Analytical and Technical Reports, Number 10, table 2.
Haub, Carl, 1995, "How Many People Have Ever Lived on Earth?"
Population Today, February, p. 5.
McEvedy, Colin and Richard Jones, 1978, "Atlas of World Population History,"
Facts on File, New York, pp. 342-351.
Thomlinson, Ralph, 1975, "Demographic Problems, Controversy Over Population Control,"
Second Edition, Table 1.
United Nations (UN), 1973, The Determinants and Consequences of
Population Trends, Population Studies, No. 50., p.10.
United Nations, 1999, The World at Six Billion, Table 1, "World Population From"
Year 0 to Stabilization, p. 5, See at < http://www.un.org/esa/population/publications/sixbillion/sixbilpart1.pdf >.
U.S. Bureau of the Census (USBC), 2002, "Total Midyear Population for the World: 1950-2050",
Data updated 10-10-2002. See at < http://www.census.gov/ipc/www/worldpop.html >.

_____
* U.S. Census Bureau, Population Division, International Programs Center
Revised:
September 23, 2003

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