A list of data for historical and projected human population of planet Earth from various sources is recorded here for reference (see e.g. World population or Historical Estimates of World Population at U.S. Census Bureau). Estimates previous to the year 10,000 BC can be made only from archeological evidence.
The last point in which Homo sapiens sapiens hit a dangerous low, coming close to extinction, was at year 70,000 BC during the Toba catastrophe. University of Illinois at Urbana-Champaign estimates human world population (Homo sapiens in Africa) between 1,000 and 10,000 breeding couples.[1][2][3]
The following table uses astronomical year numbering for dates, negative numbers corresponding roughly to the corresponding year BC (i.e. -10000 = 10,001 BC, etc.). The table starts counting around the Late Glacial Maximum period, in which ices retreated and humans started to spread into the northern hemisphere.
Year | United States Census Bureau
(2009)[4] |
Population Reference Bureau
(1973–2008)[5] |
United Nations Department of Economic and Social Affairs
(2008)[6] |
HYDE
(2006)[7] |
Maddison
(2003)[8] |
Tanton
(1994)[9] |
Biraben
(1980)[10] |
McEvedy &
Jones (1978)[11] |
Thomlinson
(1975)[12] |
Durand
(1974)[13] |
Clark
(1967)[14] |
---|---|---|---|---|---|---|---|---|---|---|---|
−10000 | 4,000,000 | 1,000,000 to 10,000,000 | |||||||||
−8000 | 5,000,000 | 5,000,000 to 10,000,000 | |||||||||
−5000 | 5,000,000 | 5,000,000 to 20,000,000 | |||||||||
−4000 | 7,000,000 | ||||||||||
−3000 | 14,000,000 | ||||||||||
−2000 | 27,000,000 | ||||||||||
−1000 | 50,000,000 | ||||||||||
−500 | 100,000,000 | ||||||||||
−400 | 162,000,000 | ||||||||||
−200 | 231,000,000 | 150,000,000 | |||||||||
0 or 1 | 300,000,000 | 300,000,000 | 230,820,000 | 150,000,000 | 255,000,000 | 170,000,000 | 200,000,000 | 270,000,000 to 330,000,000 | |||
14 | 256,000,000 | ||||||||||
200 | 256,000,000 | 190,000,000 | |||||||||
350 | 254,000,000 | ||||||||||
400 | 206,000,000 | 190,000,000 | |||||||||
500 | 206,000,000 | 190,000,000 | |||||||||
600 | 206,000,000 | 200,000,000 | 237,000,000 | ||||||||
700 | 207,000,000 | 210,000,000 | |||||||||
800 | 224,000,000 | 220,000,000 | 261,000,000 | ||||||||
900 | 226,000,000 | 240,000,000 | |||||||||
1000 | 310,000,000 | 267,573,000 | 254,000,000 | 265,000,000 | 275,000,000 to 345,000,000 | 280,000,000 | |||||
1100 | 301,000,000 | 320,000,000 | |||||||||
1200 | 450,000,000 | 400,000,000 | 360,000,000 | 384,000,000 | |||||||
1250 | 400,000,000 | 416,000,000 | 350,000,000 to 450,000,000 | ||||||||
1300 | 300,000,000 | 432,000,000 | 360,000,000 | 400,000,000 | |||||||
1340 | 443,000,000 | 378,000,000 | |||||||||
1400 | 374,000,000 | 350,000,000 | |||||||||
1500 | 500,000,000 | 438,428,000 | 460,000,000 | 425,000,000 | 440,000,000 to 540,000,000 | 427,000,000 | |||||
1600 | 556,148,000 | 579,000,000 | 545,000,000 | 498,000,000 | |||||||
1650 | 500,000,000 | 545,000,000 | 500,000,000 | 516,000,000 | |||||||
1700 | 640,035,774 | 603,490,000 | 600,000,000 | 679,000,000 | 610,000,000 | 600,000,000 | 641,000,000 | ||||
1710 | 662,378,306 | ||||||||||
1720 | 679,615,896 | ||||||||||
1730 | 689,283,580 | ||||||||||
1740 | 769,991,547 | ||||||||||
1750 | 795,000,000 | 791,000,000 | 824,276,110 | 770,000,000 | 720,000,000 | 700,000,000 | 735,000,000 to 805,000,000 | 731,000,000 | |||
1760 | 846,137,329 | ||||||||||
1770 | 864,445,832 | ||||||||||
1780 | 949,409,344 | ||||||||||
1790 | 982,617,842 | ||||||||||
1800 | 978,000,000 | 980,851,296 | 900,000,000 | 954,000,000 | 900,000,000 | 900,000,000 | 890,000,000 | ||||
1810 | 1,045,073,963 | ||||||||||
1820 | 1,069,841,690 | 1,041,834,000 | |||||||||
1830 | 1,138,392,564 | ||||||||||
1840 | 1,192,729,394 | ||||||||||
1850 | 1,265,000,000 | 1,262,000,000 | 1,244,327,949 | 1,241,000,000 | 1,200,000,000 | 1,200,000,000 | |||||
1860 | 1,270,044,073 | ||||||||||
1870 | 1,309,430,136 | 1,271,915,000 | |||||||||
1875 | 1,325,000,000 | ||||||||||
1880 | 1,397,685,022 | ||||||||||
1890 | 1,516,025,314 | ||||||||||
1900 | 1,656,000,000 | 1,650,000,000 | 1,633,848,213 | 1,563,622,000 | 1,600,000,000 | 1,633,000,000 | 1,625,000,000 | 1,600,000,000 | 1,650,000,000 to 1,710,000,000 | 1,668,000,000 | |
1910 | 1,750,000,000 | 1,753,594,443 | |||||||||
1913 | 1,791,091,000 | ||||||||||
1920 | 1,860,000,000 | 1,888,034,127 | 1,968,000,000 | ||||||||
1925 | 2,000,000,000 | ||||||||||
1930 | 2,070,000,000 | 2,073,363,421 | 2,145,000,000 | ||||||||
1940 | 2,300,000,000 | 2,299,541,939 | 2,340,000,000 | ||||||||
1950 | 2,555,974,605 | 2,516,000,000 | 2,529,346,000 | 2,528,313,293 | 2,524,324,000 | 2,400,000,000 | 2,527,000,000 | 2,500,000,000 | 2,400,000,000 | 2,499,000,000 | |
1955 | 2,780,923,093 | 2,763,453,000 | 2,767,727,535 | 2,766,471,000 | |||||||
1960 | 3,041,697,768 | 3,023,358,000 | 3,035,624,545 | 3,038,795,000 | |||||||
1962 | 3,138,922,062 | 3,155,862,958 | 3,132,691,000 | 3,036,000,000 | |||||||
1965 | 3,349,287,332 | 3,331,670,000 | 3,351,348,699 | 3,328,882,000 | |||||||
1966 | 3,419,728,217 | 3,420,389,193 | 3,397,631,000 | 3,288,000,000 | |||||||
1970 | 3,711,961,664 | 3,685,777,000 | 3,696,590,163 | 3,685,058,000 | 3,637,000,000 | 3,600,000,000 | 3,600,000,000 to 3,700,000,000 | ||||
1973 | 3,941,550,996 | 3,923,325,629 | 3,916,489,000 | ||||||||
1975 | 4,088,611,586 | 4,061,317,000 | 4,073,741,819 | 4,065,408,000 | 3,900,000,000 | 4,000,000,000 | |||||
1980 | 4,452,547,522 | 4,437,609,000 | 4,442,296,596 | 4,435,598,000 | |||||||
1985 | 4,852,051,940 | 4,846,247,000 | 4,843,949,085 | 4,830,813,000 | 5,000,000,000 | ||||||
1990 | 5,283,687,429 | 5,290,452,000 | 5,279,521,283 | 5,259,502,000 | |||||||
1995 | 5,696,676,739 | 5,760,000,000 | 5,713,073,000 | 5,692,354,537 | 5,677,287,000 | ||||||
1998 | 5,932,090,951 | 5,930,407,103 | 5,914,930,000 | ||||||||
1999 | 6,008,254,795 | 6,008,326,071 | 5,997,967,000 | ||||||||
2000 | 6,083,550,220 | 6,115,367,000 | 6,085,574,386 | 6,071,144,000 | 5,750,000,000 | ||||||
2001 | 6,159,242,510 | 6,149,006,000 | |||||||||
2002 | 6,234,361,771 | 6,215,000,000 | 6,238,183,321 | ||||||||
2005 | 6,456,443,080 | 6,477,000,000 | 6,512,276,000 | 6,464,751,609 | |||||||
2006 | 6,530,984,631 | 6,555,000,000 | 6,540,285,038 | ||||||||
2007 | 6,606,214,786 | 6,625,000,000 | 6,615,854,053 | ||||||||
2008 | 6,681,112,529 | 6,705,000,000 | 6,691,483,957 | ||||||||
2009 | 6,755,987,239 | ||||||||||
2010 | 6,830,586,985 | 6,908,688,000 | 6,842,925,208 | ||||||||
2015 | 7,200,008,584 | 7,302,186,000 | 7,219,433,211 | ||||||||
2020 | 7,557,514,266 | 7,674,833,000 | 7,577,890,552 | 8,000,000,000 | |||||||
2025 | 7,892,758,722 | 8,000,000,000 | 8,011,533,000 | 7,905,241,284 | |||||||
2030 | 8,202,205,367 | 8,308,895,000 | 8,199,106,302 | ||||||||
2035 | 8,487,066,951 | 8,570,570,000 | |||||||||
2040 | 8,748,743,446 | 8,801,196,000 | |||||||||
2045 | 8,987,418,540 | 8,996,344,000 | |||||||||
2050 | 9,202,458,484 | 9,352,000,000 | 9,149,984,000 |