World population to hit 11bn in 2100 – with 70% chance of continuous rise

September 20, 2014 • Daily Email Recap

World population to hit 11bn in 2100 – with 70% chance of continuous rise

New study overturns 20 years of consensus on peak projection of 9bn and gradual decline

See: http://www.theguardian.com/environment/2014/sep/18/world-population-new-study-11bn-2100
The world’s population is now odds-on to swell ever-higher for the rest of the century, posing grave challenges for food supplies, healthcare and social cohesion. A ground-breaking analysis releasedon Thursday shows there is a 70% chance that the number of people on the planet will rise continuously from 7bn today to 11bn in 2100.
The work overturns 20 years of consensus that global population, and the stresses it brings, will peak by 2050 at about 9bn people.
“The previous projections said this problem was going to go away so it took the focus off the population issue,” said Prof Adrian Raftery, at the University of Washington, who led the international research team. “There is now a strong argument that population should return to the top of the international agenda. Population is the driver of just about everything else and rapid population growth can exacerbate all kinds of challenges.” Lack of healthcare, poverty, pollution and rising unrest and crime are all problems linked to booming populations, he said.
“Population policy has been abandoned in recent decades. It is barely mentioned in discussions on sustainability or development such as the UN-led sustainable development goals,” said Simon Ross, chief executive of Population Matters, a thinktank supported by naturalist Sir David Attenborough and scientist James Lovelock. “The significance of the new work is that it provides greater certainty. Specifically, it is highly likely that, given current policies, the world population will be between 40-75% larger than today in the lifetime of many of today’s children and will still be growing at that point,” Ross said.

See: http://www.theguardian.com/environment/2014/sep/18/world-population-new-study-11bn-2100


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