First paragraph will answer the questions “who was involved?” and “what happened?” the world population is expected to reach 10 billion by 2050, and is currently estimated to be around 7.8 billion. the majority of population growth is expected to occur in africa, where the population is projected to double by 2050. asia is the most populous continent with 4.5 billion people, and india is the most populous country in the world with 1.4 billion people. china is the second most populous country with 1.3 billion people, and the united states is the third most populous country with 330 million people. europe has an estimated population of 743 million.
Second paragraph will answer the questions “when did it happen?” and “where did it happen?” the global fertility rate has declined from 5.0 children per woman in 1950 to 2.5 in 2020. the global life expectancy has increased from 48 years in 1950 to 72 years in 2020. the global population growth rate has decreased from 2.1% in 1950 to 1.1% in 2020. the global population is projected to reach its peak in 2064, and is expected to decline after that. the global population is expected to stabilize by 2100.
Third paragraph will answer the questions “how did it happen?” and “why did it happen?” the decline in fertility rate, increase in life expectancy, and decrease in population growth rate are all factors that have contributed to the projected population growth. the increase in life expectancy can be attributed to advances in healthcare and nutrition. the decline in fertility rate can be attributed to increased access to education, contraceptives, and family planning services. the decrease in population growth rate is due to the combination of these factors.
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