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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.
Historical demography. World population estimates. List of Countries by Population. 1600. 1700. 1800. This is a list of countries by population in 1700. Estimate numbers are from the beginning of the year and exact population figures are for countries that held a census on various dates in the 1700s. The bulk of these numbers are sourced from ...
1500 world population 400-500 million; 1600 world population 500-600 million; 1700 world population 600-700 million; 1800 world population 850-950 million; In the 18th century world population entered a period of accelerated growth. European population reached a peak growth rate of 10 per thousand per year in the second half of the 19th century.
Historical demography. Historical demography is the quantitative study of human population in the past. It is concerned with population size, with the three basic components of population change (fertility, mortality, and migration), and with population characteristics related to those components, such as marriage, socioeconomic status, and the ...
The current world population growth is approximately 1.09%. [7] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [7] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
The median age of the world's population is estimated to be 31 years in 2020, [9] and is expected to rise to 37.9 years by 2050. [ 73 ] According to the World Health Organization , the global average life expectancy is 73.3 years as of 2020, with women living an average of 75.9 years and men approximately 70.8 years. [ 74 ]
World population milestones went unnoticed until the 20th century, since there was no reliable data on global population dynamics. [ 2 ] The population of the world reached. one billion in 1804. two billion in 1927. three billion in 1960. four billion in 1974. five billion in 1987. six billion in 1999.
Projections of population growth. 1. World population growth 1700–2100, 2022 projection. Projections of population growth are attempts to show how the human population statistics might change in the future. [1] These projections are an important input to forecasts of the population's impact on this planet and humanity's future well-being. [2]