Population; define the boundaries of a designated number of people living in the region in a certain time period. Starting in the year 1300 census, the Scandinavian countries are made only to measure the number of people. In addition; see the distribution by the urban and rural population, to identify the author reads ratio, to determine the level of education, to determine the population of men and women and it is referenced to the census data to achieve similar.
The purpose of the first to see the population census was to ensure ease of soldiers and taxation process. population of africa This census will be ignored women and children could be included only men count. People living in a region with today census shows the demographic structure. Age and body structure, economic and social status, birth and death rates of increase due to population growth rates is included in this count result.
Paleolithic Period: 20-25 is the average life expectancy in this period are based on today's 2 million years ago. From that period in the field of protection of human life and times, especially meat diet were also extend the average life expectancy. This period is estimated to be 1 million population of africa of the world population. Neolithic Period: the average life expectancy of 30 years is particularly important developments during this period in the life and future population and experienced in the field of agriculture found in the period increased the average life expectancy. Because this is the first city-states began to be established together with the period of humanity and begin to live in the city center, has started to raise living standards. Starting today, extending this period increased from 10,000 years before the population reached 200 million in AD 1st year. The Industrial Revolution began in this period of world population by the year 1650 is known to be 600 million. This health together with the period, important developments in medicine and technology have led to an increase in the population of 1 billion 200 years. Living standards after this period population of africa that the average life expectancy population of africa is 70 years developed significantly, especially in the medical field. As of today, the world's population surpassed 7 billion is expected to come close to 9 billion over the next 40 years.
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