Graphic shows selected demographic data from 1950 to 2100.
CIÊNCIA
População mundial aproxima-se dos sete mil milhões
July 28, 2011 - The world is experiencing a demographic explosion, with the number of people on the planet set to reach seven billion this year and 9.3 billion by 2050. Most of the growth will be concentrated in the least developed countries, which lack the resources to support bigger populations.
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