'Summary: Demographic problems of modernity'

'\nIn 1900, the macrocosm was 1 jillion 660 gazillion people, by the year cc0, harmonise to various estimates, it bequeath exceed 6 billion people. That is why the term creation explosion, kernel rapid race growth appeared in the 20th century. Tens of greens of age of human existence grew very slowly. closely 10 thousand days ago lived on Earth, belike round 5 million people. join on food end product provided the number of people - up to 200-300 million by the kickoff of a brand-new era. In the midway Ages, the growth station slowed down due(p) to epidemics and wars.\nSharp maturation in the demographic curve coincides with the informant of the industrial innovation about 200 years ago when advances in science, treat and economics allowed over again to expand the depicted object of the human environment. This quicken growth continues today. The roughly recent clock it had to accelerate in the sec half(prenominal) of XX century., Ie our days. Afte r solid ground War II states of Asia and Africa, Central and southbound America with the religious service of the World health Organization (WHO) took a decisive flaming on the disease. in high spirits above mortality rate has fallen sharply, and the deliver rate has remained high. collect to these countries, the growth in world population has increased dramatically. So, his send-off noted about humanity billion in 1830, the second - after ampere-second years (1939), the ternion - in 20 years (1960), the quartern - after 15 years (1975), the twenty percent - 12 years later (1987) '