(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,
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,
http://www.census.gov/ipc/www/worldpop.html
Last Revised: 23 Sep 2003 16:05:42 EDT