By 2100, 80 percent of the world population will live in citiesIncreasing urbanization will be one of the ways to support 10 billion people. City new Appears, and megacities, where the population will exceed 20 million, will be to restrain the phenomenon.Possible candidates for the status methods will be PE, Deli, Jakarta, Mexico city, Mumbai, são Paulo and Shanghai.In the world will be at best several villages languagesNow people around the world speak more than 7000 languages. But less used languages will disappear, and the English will be the most to keep a form of communication.
About 22 percent of the people will be over 65In fact, this is a huge increase considering that in 2010 the number of older people accounted for about 7.6 percent. Thus, the burden of caring for the elderly will be even greater.Pros most of the population will occur in developing countries, particularly in AfricaThe population of Africa is 1 watt from Miller in 2010 to 3.6 billion in 2100. Demographic