Projections of population growth established in 2015 predict that the human population will keep growing until at least 2050, reaching an estimated 8 billion people in 2024 and 9 billion by 2040, while the 7 billion milestone was reached in 2011. As the demographic transition follows its course worldwide, the population will age significantly, with most countries outside Africa trending towards a rectangular age pyramid.
According to the 2015 edition of the United Nations' World Population Prospects report, the world population is currently growing by approximately 83 million people each year. The growth rate keeps slowing, having decreased from 1.55% per year in 1995 to 1.25% in 2005 and 1.18% in 2015. The median estimate for future growth sees the world population reaching 9.7 billion in 2050 and 11.2 billion in 2100, assuming a continuing decrease in average fertility rate from 2.5 in 2015 to 2.25 in 2050 and 2.0 in 2100.
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