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PGR|first year|first population|second year|second population}} This template quickly calculates the population growth rate given two pairs of years and populations using the formula from Population growth: = (()) (()) %
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The table starts counting approximately 10,000 years before present, or around 8,000 BC, during the middle Greenlandian, about 1,700 years after the end of the Younger Dryas and 1,800 years before the 8.2-kiloyear event. From the beginning of the early modern period until the 20th century, world population has been characterized by a rapid growth.
This template calculates the per annum compound growth rate given two pairs of years and populations (or other time periods and units) using: P A G R = [ ( P 2 P 1 ) 1 t 2 − t 1 − 1 ] × 100 % {\displaystyle PAGR=\left[\left({\frac {P_{2}}{P_{1}}}\right)^{\frac {1}{t_{2}-t_{1}}}-1\right]\times 100\%}
{{Historical populations}} is used as an information box on pages showing each census year with a population and a percent gain/loss comparison. It is intended to combine the functionalities of two existing templates, Template:US Census population and Template:Histpop, the former of which is specialized for the United States, and the latter of which lacks many features of the former.
The national 1 July, mid-year population estimates (usually based on past national censuses) supplied in these tables are given in thousands. The retrospective figures use the present-day names and world political division: for example, the table gives data for each of the 15 republics of the former Soviet Union, as if they had already been independent in 1950.
year world population (millions) -10000 4 -8000 5 -7000 5 -6000 5 -5000 5 -4000 7 -3000 14 -2000 27 -1000 50 -750 60 -500 100 -400 160 -200 150 1 170 200 190 400 190 500 190 600 200 700 210 800 220 900 226 1000 310 1100 301 1200 360 1250 400 1300 360 1340 443 1400 350 1500 425 1600 545 1650 470 1700 600 1750 790 1800 980 1850 1260 1900 1650 1910 1750 1920 1860 1930 2070 1940 2300 1950 2400 ...