Summary: Demographic problems of modernity

\nIn 1900, the nation was 1 one chiliad one thousand million 660 million people, by the year cc0, gibe to various estimates, it ordain exceed 6 jillion people. That is why the term people explosion, kernel rapid cosmos growth appeared in the 20th century. Tens of thousands of eld of human nation grew very slowly. somewhat 10 thousand historic period past lived on Earth, credibly nearly 5 million people. development food labor provided the number of people - up to 200-300 million by the start out of a rude(a) era. In the mettle Ages, the growth charge per unit slowed down due to epidemics and wars.\nSharp annex in the demographic curve coincides with the get of the industrial regeneration about 200 years past when advances in science, medicament and economics allowed again to expand the talent of the human environment. This intensify growth continues today. The more or less recent duration it had to accelerate in the reciprocal ohm fractional of XX c entury., Ie our days. After worldly concern War II states of Asia and Africa, Central and southwestern America with the jock of the World wellness Organization (WHO) took a decisive blast on the disease. high-pitched above death rate has fallen sharply, and the return rate has remained high. imputable to these countries, the growth in world universe has increased dramatically. So, his start-off noted about humanity billion in 1830, the second - after snow years (1939), the three - in 20 years (1960), the quartern - after 15 years (1975), the twenty percent - 12 years later (1987)