January 21, 2022

The population of a geographical territory is a group of people who live in it. The human population is the subject of several sciences, such as demography, sociology and social geography. One of the branches of ecology is biology, which studies all species on the planet Earth, including the human species. Population statistics measure changes in its number in space and time. The most commonly used population statistics is Population.

Population description

The description of the population can be done in several ways: Descriptive variables (average height, age, gender, educational structure, etc.) Genetic (by estimating the frequency of individual genes) Dynamic (birth rate, mortality, growth rate, migration)

World population

Approximately, at the end of the Paleolithic era (15 thousand years BC) the number of inhabitants on earth was 3 million. By the end of the Neolithic (2,000 years BC), 50 million people lived on Earth. At the beginning of the New Era, the population was 230 million, and around 1000 AD, 275 million. The billionaire man was born around 1800. There were 1.6 billion of us in 1900, 3 billion in 1960, 5.5 billion in 1993, 6.3 billion in 2003, 7.4 billion in March 2017. It is predicted that in 2050 there will be 9 in the world. billion people. Some scientists believe that each territory has its own "capacity", which limits the possibility of population growth. They claim that uncontrolled population growth leads to a Malthus-type catastrophe. There are experts who do not agree with this thesis. In 1993, there were 728 people living in the world: 728 in Europe, 3336 in Asia, 670 in Africa, 442 in North and Central America, 308 in South America, 28 in Australia and Oceania. The most populous countries in the world are China and India.


External links

World population data

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