- More than 1.5 billion people are between the ages of ten and twenty-five, forming the largest-ever generation of adolescents. More than half of them live on less than two dollars per day. [10]
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- In 2008, the number of people living in cities surpassed the number of people living in rural areas for the first time in history. [11]
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- Between 2007 and 2025, the population of the developed world is expected to grow three percent, while the population of the developing world is expected to grow forty-nine percent. [12]
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- 4 out of 5 city dwellers will live in the developing world by 2030. [13]
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- Between 2000 and 2030 the urban populations of both Africa and Asia will double. [14]
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- The average number of children born to an Iranian woman has fallen from 6.5 in 1979, on the cusp of the Islamic revolution, to 1.83 today. [15]
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- Out to 2050, the United States, Germany, Canada, the United Kingdom, Spain and Australia will be the primary destinations for a majority of international immigrants, while China, Mexico, India, Philippines, Indonesia, and Pakistan will be the major suppliers of these migrants. [16]
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Seven Revolutions 