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This is a list of countries showing past and future population density, ranging from 1950 to 2300, as estimated by the 2017 revision of the World Population Prospects database by the United Nations Population Division.
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.
List of countries and dependencies showing population densities, populations, and areas Location Pop. /km 2 Pop. /sq mi Population Area (km 2) Area (sq mi) Notes
Physics professor Albert Allen Bartlett at the University of Colorado Boulder warned in 2000 that overpopulation and the development of technology are the two major causes of the diminution of democracy. [181] However, over the last 200 years of population growth, the actual level of personal freedom has increased rather than declined. [136]
The table below shows annual population growth rate history and projections for various areas, countries, regions and sub-regions from various sources for various time periods.
This is a list of countries by population in 2000. It is a list of countries in the world by population in the exact beginning of the year 2000. Because the table contains data only for the 230 nations and territories at the start of 2000, there are no entries for national regions declared later in 2000 or subsequent years.
All of the above are looked at over space and time. Population geography also studies human-environment interactions, including problems from those relationships, such as overpopulation, pollution, and others. [3] A few types of maps that show the spatial layout of population are choropleth, isoline, and dot maps.
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 ...