What are the key causes and effects of world population growth Essay

What are the key causes and effects of world population yield - Essay ExampleToday universe of discourse Population is equal to 7.289 billion people. This is a significant ontogeny compared to the years 10000BC (when population was estimated to be in the range of 1-10 million people) and 1AD (when population was estimated to be in the range of 170-400 million people). The main checkpoint years of population growth for the early(prenominal) times 2000 years are 1804 (population reached 1 billion people), 1927 (2 billion), 1960 (3 billion), 1974 (4 billion), 1987 (5 billion), 1999 (6 billion), 2012 (7 billion) (Current World Population 2015, World Population. Historical Estimates of World Population 2013, Population growth (annual %)) n.d.). The average growing rate of population is almost 1.15% per year, the highest rate of 2-2.2% was spy in 1960s. 60% of population live in Asia, 15.5% - in Africa, 10.4% - in Europe, 8.6% - in Latin the States and Caribbean islands, 5% - in North ern America, 0.5% - in Oceania (Current World Population 2015).Population growth is caused by diametric factors. One of the first and most significant factors is step-down of death rank, which is accompanied with increase of birth rates (Overpopulation n.d.). According to (Current World Population 2015) todays ratio of deaths and births is approximately 12.4. Ability of people to take business organization of themselves and provide themselves and their children with food and nutrients led to constant increase of population.Improved medical treatment and facilities contri preciselye to decrease of death rates and thus to increase of the world population. Medical research and improvements made new care for and treatment available to population, decreased the number of epidemics due to created vaccines, made some of the fatal in the past diseases easily cured today (Overpopulation n.d.).Another cause of world population growth, which is related to medical research, but should be e xamined separately from improved medical treatment, is advances in sterility, fertility and