世界人口
世界人口推定・予測値

→詳細は「歴史上の推定地域人口」を参照
| 西暦 | USCB (2008) | PRB (2007) | UNDESA (2006) | HYDE (2006) | Maddison (2003) | Biraben (1980) | McEvedy & Jones (1978) | Thomlinson (1975) | Durand (1974) | Clark (1967) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| −10000 |  |  |  |  |  |  | 4,000,000 | 1,000,000– 10,000,000 |  |  |
| −8000 |  | 5,000,000 |  |  |  |  |  |  | 5,000,000– 10,000,000 |  |
| −5000 |  |  |  |  |  |  | 5,000,000 | 5,000,000– 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 |  |  |  |
| 1 |  | 300,000,000 | 300,000,000 |  | 230,820,000 | 255,000,000 | 170,000,000 | 200,000,000 | 270,000,000– 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 |  | 268,273,000 | 254,000,000 | 265,000,000 |  | 275,000,000– 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– 450,000,000 |  |
| 1300 |  |  |  |  |  | 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 |  | 437,818,000 | 460,000,000 | 425,000,000 |  | 440,000,000– 540,000,000 | 427,000,000 |
| 1600 |  |  |  |  | 555,828,000 | 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 | 603,410,000 | 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– 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 |  | 954,000,000 | 900,000,000 | 900,000,000 |  | 890,000,000 |
| 1810 |  |  |  | 1,045,073,963 |  |  |  |  |  |  |
| 1820 |  |  |  | 1,069,841,690 | 1,041,092,000 |  |  |  |  |  |
| 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 | 1,270,014,000 |  |  |  |  |  |
| 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 | 1,633,000,000 | 1,625,000,000 | 1,600,000,000 | 1,650,000,000– 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 | 2,555,948,654 | 2,516,000,000 | 2,535,093,000 | 2,528,313,293 | 2,524,324,000 | 2,527,000,000 | 2,500,000,000 | 2,400,000,000 |  | 2,499,000,000 |
| 1955 | 2,780,907,497 |  | 2,770,753,000 | 2,767,727,535 | 2,766,471,000 |  |  |  |  |  |
| 1960 | 3,041,593,413 |  | 3,031,931,000 | 3,035,624,545 | 3,038,795,000 |  |  |  |  |  |
| 1962 | 3,138,805,626 |  |  | 3,155,862,958 | 3,132,691,000 |  |  |  |  | 3,036,000,000 |
| 1965 | 3,349,157,095 |  | 3,342,771,000 | 3,351,348,699 | 3,328,882,000 |  |  |  |  |  |
| 1966 | 3,419,597,944 |  |  | 3,420,389,193 | 3,397,631,000 |  |  |  |  | 3,288,000,000 |
| 1970 | 3,711,800,786 |  | 3,698,676,000 | 3,696,590,163 | 3,685,058,000 | 3,637,000,000 |  | 3,600,000,000 | 3,600,000,000– 3,700,000,000 |  |
| 1973 | 3,941,725,131 |  |  | 3,923,325,629 | 3,916,489,000 |  |  |  |  |  |
| 1975 | 4,089,026,773 |  | 4,076,080,000 | 4,073,741,819 | 4,065,408,000 |  | 3,900,000,000 | 4,000,000,000 |  |  |
| 1980 | 4,452,766,336 |  | 4,451,470,000 | 4,442,296,596 | 4,435,598,000 |  |  |  |  |  |
| 1985 | 4,852,574,467 |  | 4,855,264,000 | 4,843,949,085 | 4,830,813,000 |  |  |  |  |  |
| 1990 | 5,282,371,928 |  | 5,294,879,000 | 5,279,521,283 | 5,259,502,000 |  |  |  |  |  |
| 1995 | 5,690,982,026 | 5,760,000,000 | 5,719,045,000 | 5,692,354,537 | 5,677,287,000 |  |  |  |  |  |
| 1998 | 5,929,679,583 |  |  | 5,930,407,103 | 5,914,930,000 |  |  |  |  |  |
| 1999 | 6,007,529,585 |  |  | 6,008,326,071 | 5,997,967,000 |  |  |  |  |  |
| 2000 | 6,084,907,596 |  | 6,124,123,000 | 6,085,574,386 | 6,071,144,000 |  | 5,750,000,000 |  |  |  |
| 2001 | 6,162,280,576 |  |  | 6,162,166,391 | 6,149,006,000 |  |  |  |  |  |
| 2002 | 6,238,819,839 | 6,215,000,000 |  | 6,238,183,321 |  |  |  |  |  |  |
| 2005 | 6,470,340,436 | 6,477,000,000 | 6,514,751,000 | 6,464,751,609 |  |  |  |  |  |  |
| 2006 | 6,548,696,975 | 6,555,000,000 |  | 6,540,285,038 |  |  |  |  |  |  |
| 2007 | 6,627,548,985 | 6,625,000,000 |  | 6,615,854,053 |  |  |  |  |  |  |
| 2008 | 6,706,992,932 |  |  | 6,691,483,957 |  |  |  |  |  |  |
| 2010 | 6,866,880,431 |  | 6,906,558,000 | 6,842,925,208 |  |  |  |  |  |  |
| 2015 | 7,269,526,256 |  | 7,295,135,000 | 7,219,433,211 |  |  |  |  |  |  |
| 2020 | 7,659,291,953 |  | 7,667,090,000 | 7,577,890,552 |  |  |  |  |  |  |
| 2025 | 8,027,490,191 | 7,965,000,000 | 8,010,509,000 | 7,905,241,284 |  |  |  |  |  |  |
| 2030 | 8,373,133,979 |  | 8,317,707,000 | 8,199,106,302 |  |  |  |  |  |  |
| 2035 | 8,698,603,189 |  | 8,587,050,000 |  |  |  |  |  |  |  |
| 2040 | 9,003,222,779 |  | 8,823,546,000 |  |  |  |  |  |  |  |
| 2045 | 9,284,422,911 |  | 9,025,982,000 |  |  |  |  |  |  |  |
| 2050 | 9,538,988,263 | 9,294,000,000 | 9,191,287,000 |  |  |  |  |  |  |  |
全世界の人口ピラミッド（2017年）
世界人口 1800年-2100年（2004年の国連および米国・国勢調査局の評価・推計に基づく）
  推定値  統計値  国連の推計値（高位）  国連の推計値（中位）  国連の推計値（低位）