https://www.worldometers.info/world-population/world-population-by-year/
Currently = 8 billion
Doubling time
5 million to 10 million took 2,000 years Year -3,500
100 million to 200 million took 1,100 years Year 600
500 million to 1 billion took 204 years Year 1804
1 billion to 2 billion took 123 years Year 1927
2 billion to 4 billion took 48 years Year 1975
4 billion to 8 billion took 48 years Year 2023
What caused the enormous, exponential explosion upwards in the world population growth, starting just over a century ago?
| Year | World Population | Yearly Change | Net Change | Density (P/Km²) |
|---|---|---|---|---|
| 2023 | 8,045,311,447 | 0.88 % | 70,206,291 | 54 |
| 2022 | 7,975,105,156 | 0.83 % | 65,810,005 | 54 |
| 2021 | 7,909,295,151 | 0.87 % | 68,342,271 | 53 |
| 2020 | 7,840,952,880 | 0.98 % | 76,001,848 | 53 |
| 2019 | 7,764,951,032 | 1.06 % | 81,161,204 | 52 |
| 2018 | 7,683,789,828 | 1.10 % | 83,967,424 | 52 |
| 2017 | 7,599,822,404 | 1.15 % | 86,348,166 | 51 |
| 2016 | 7,513,474,238 | 1.17 % | 86,876,701 | 50 |
| 2015 | 7,426,597,537 | 1.19 % | 87,584,118 | 50 |
| 2014 | 7,339,013,419 | 1.22 % | 88,420,049 | 49 |
| 2013 | 7,250,593,370 | 1.24 % | 88,895,449 | 49 |
| 2012 | 7,161,697,921 | 1.25 % | 88,572,496 | 48 |
| 2011 | 7,073,125,425 | 1.25 % | 87,522,320 | 47 |
| 2010 | 6,985,603,105 | 1.27 % | 87,297,197 | 47 |
| 2009 | 6,898,305,908 | 1.27 % | 86,708,636 | 46 |
| 2008 | 6,811,597,272 | 1.27 % | 85,648,728 | 46 |
| 2007 | 6,725,948,544 | 1.27 % | 84,532,326 | 45 |
| 2006 | 6,641,416,218 | 1.27 % | 83,240,099 | 45 |
| 2005 | 6,558,176,119 | 1.27 % | 82,424,641 | 44 |
| 2004 | 6,475,751,478 | 1.28 % | 81,853,113 | 43 |
| 2003 | 6,393,898,365 | 1.29 % | 81,491,005 | 43 |
| 2002 | 6,312,407,360 | 1.31 % | 81,660,378 | 42 |
| 2001 | 6,230,746,982 | 1.33 % | 81,848,007 | 42 |
| 2000 | 6,148,898,975 | 1.34 % | 81,140,517 | 41 |
| 1999 | 6,067,758,458 | 1.34 % | 80,445,978 | 41 |
| 1998 | 5,987,312,480 | 1.37 % | 80,831,219 | 40 |
| 1997 | 5,906,481,261 | 1.40 % | 81,335,963 | 40 |
| 1996 | 5,825,145,298 | 1.43 % | 81,925,844 | 39 |
| 1995 | 5,743,219,454 | 1.46 % | 82,491,461 | 39 |
| 1994 | 5,660,727,993 | 1.49 % | 83,294,470 | 38 |
| 1993 | 5,577,433,523 | 1.54 % | 84,747,430 | 37 |
| 1992 | 5,492,686,093 | 1.60 % | 86,440,226 | 37 |
| 1991 | 5,406,245,867 | 1.69 % | 90,070,005 | 36 |
| 1990 | 5,316,175,862 | 1.77 % | 92,471,554 | 36 |
| 1989 | 5,223,704,308 | 1.78 % | 91,410,334 | 35 |
| 1988 | 5,132,293,974 | 1.81 % | 91,309,479 | 34 |
| 1987 | 5,040,984,495 | 1.84 % | 90,921,156 | 34 |
| 1986 | 4,950,063,339 | 1.82 % | 88,332,726 | 33 |
| 1985 | 4,861,730,613 | 1.80 % | 85,894,539 | 33 |
| 1984 | 4,775,836,074 | 1.79 % | 83,951,836 | 32 |
| 1983 | 4,691,884,238 | 1.82 % | 83,899,367 | 32 |
| 1982 | 4,607,984,871 | 1.84 % | 83,357,213 | 31 |
| 1981 | 4,524,627,658 | 1.81 % | 80,619,952 | 30 |
| 1980 | 4,444,007,706 | 1.80 % | 78,424,835 | 30 |
| 1979 | 4,365,582,871 | 1.77 % | 75,925,163 | 29 |
| 1978 | 4,289,657,708 | 1.75 % | 73,885,218 | 29 |
| 1977 | 4,215,772,490 | 1.77 % | 73,266,608 | 28 |
| 1976 | 4,142,505,882 | 1.80 % | 73,068,651 | 28 |
| 1975 | 4,069,437,231 | 1.85 % | 73,920,154 | 27 |
| 1974 | 3,995,517,077 | 1.92 % | 75,265,573 | 27 |
| 1973 | 3,920,251,504 | 1.96 % | 75,450,619 | 26 |
| 1972 | 3,844,800,885 | 1.98 % | 74,637,793 | 26 |
| 1971 | 3,770,163,092 | 2.02 % | 74,772,756 | 25 |
| 1970 | 3,695,390,336 | 2.06 % | 74,735,061 | 25 |
| 1969 | 3,620,655,275 | 2.08 % | 73,844,467 | 24 |
| 1968 | 3,546,810,808 | 2.05 % | 71,362,642 | 24 |
| 1967 | 3,475,448,166 | 2.03 % | 69,031,130 | 23 |
| 1966 | 3,406,417,036 | 2.08 % | 69,305,053 | 23 |
| 1965 | 3,337,111,983 | 2.14 % | 69,899,645 | 22 |
| 1964 | 3,267,212,338 | 2.24 % | 71,433,091 | 22 |
| 1963 | 3,195,779,247 | 2.21 % | 69,092,504 | 21 |
| 1962 | 3,126,686,743 | 1.90 % | 58,316,134 | 21 |
| 1961 | 3,068,370,609 | 1.63 % | 49,137,175 | 21 |
| 1960 | 3,019,233,434 | 1.65 % | 48,941,246 | 20 |
| 1959 | 2,970,292,188 | 1.86 % | 54,184,091 | 20 |
| 1958 | 2,916,108,097 | 2.04 % | 58,241,240 | 20 |
| 1957 | 2,857,866,857 | 2.03 % | 56,864,226 | 19 |
| 1956 | 2,801,002,631 | 2.00 % | 54,930,490 | 19 |
| 1955 | 2,746,072,141 | 2.01 % | 54,092,802 | 18 |
| 1954 | 2,691,979,339 | 1.96 % | 51,700,542 | 18 |
| 1953 | 2,640,278,797 | 1.93 % | 50,007,898 | 18 |
| 1952 | 2,590,270,899 | 1.85 % | 47,140,519 | 17 |
| 1951 | 2,543,130,380 | 1.75 % | 43,808,223 | 17 |
| 1927 | 2,000,000,000 | |||
| 1900 | 1,600,000,000 | |||
| 1850 | 1,200,000,000 | |||
| 1804 | 1,000,000,000 | |||
| 1760 | 770,000,000 | |||
| 1700 | 610,000,000 | |||
| 1600 | 500,000,000 | |||
| 1500 | 450,000,000 | |||
| 1400 | 350,000,000 | |||
| 1200 | 360,000,000 | |||
| 1100 | 320,000,000 | |||
| 1000 | 275,000,000 | |||
| 900 | 240,000,000 | |||
| 800 | 220,000,000 | |||
| 700 | 210,000,000 | |||
| 600 | 200,000,000 | |||
| 200 | 190,000,000 | |||
| -200 | 150,000,000 | |||
| -500 | 100,000,000 | |||
| -1000 | 50,000,000 | |||
| -2000 | 27,000,000 | |||
| -3000 | 14,000,000 | |||
| -4000 | 7,000,000 | |||
| -5000 | 5,000,000 |