From the UN News Centre. See http://www.un.org/apps/news/story.asp?NewsID=38253&Cr=population&Cr1
3 May 2011 –
Global population to pass 10 billion by 2100, UN projections indicate
The world’s population is projected to surge past 9 billion before 2050 and then reach 10.1 billion by the end of the century if current fertility rates continue at expected levels, according to United Nations figures unveiled today.
Most of the increase will come from so-called “high fertility countries,” mainly in sub-Saharan Africa but also in some nations in Asia, Oceania and Latin America, the figures reveal.
The 2010 Revision of World Population Prospects, prepared by the Population Division at the UN’s Department of Economic and Social Affairs (DESA), shows that a small variation in fertility could lead to major long-term differences in the size of the global population.
Based on the medium projection, the number of people in the world – currently close to 7 billion – should pass 8 billion in 2023, 9 billion by 2041 and then 10 billion at some point after 2081.
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