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World Population At 8 Billion Humans Still Mushrooming

World Population At 8 Billion Humans Still Mushrooming

United Nations estimates that the world population will reach eight billion by mid November and will continue to spread, albeit at a slower pace and with regional disparities in the decades to come.

Given the increased life expectancy as well as the number of people of childbearing age, the UN projects the population to continue growing to about 8.5 billion by 2030,9.7 billion in 2050 and a peak of about 10.4 billion in the 2080’s.

However after the peak in the early 1960’s the world’s population growth rate has decelerated dramatically as told by Rachel Snow of the UN population fund told AFP.

The annual growth has fallen from a high of 2.1 percent between 1962 and 1965 to below 1 percent in 2020.Its however noted that the figure could potentially fall to around 0.5 percent by 2050 due to a continued decline in fertility rates , the United Nations projects.

However other groups have calculated different figures given the increased life expectancy.

According to the US based Institute for Health Metrics and Evaluation estimated in a 2020 study that the global population would max out by 2064 without ever reaching 10 billion and a decline to 8.8 billion by 2100.

“We are lower than them ( the UN) and I think we have a good reason,”lead author of the IHME study, Stein Emil Vollset  told AFP.

The University of Washington professor says that under their “quite different fertility model ,”the human population will only reach somewhere between nine and ten billion.

By 2021 the average fertility rate was 2.3 children per woman over her lifetime,down from five in 1950 accordingly the UN, which projects that number to fall to 2.1 by 2050.

“We’ve reaches a stage in the world where the majority of countries and the majority of people in this world are living in a country that is below replacement fertility,”or roughly 2.1 children per woman says Snow.

A key factor driving global population growth is that average life continues to increase:72.8 years in 2019,nine years more than in 1990. The UN predicts an average life expectancy of 77.2 years by 2050.

The result combined with the decline in fertility is that the proportion of people over 65 is expected to rise fro 10 percent in the 2022 to 16 percent in 2050.

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