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According to the UN, the world's urban population will increase by about 60 percent by 2050, from 4 million people in 2015 to 6.3 million in 2050. In other words, by 2050, the UN expects that two out of three people in the world will live in an urban area. In contrast, during the early part of the twentieth century the majority of the world's population lived in rural areas. Some countries will remain rural population dominant, particularly in Africa. However, the UN expects that Africa will experience the fastest increase in urbanization, from 40 percent of the total population in 2015 to 56 percent in 2050.

The UN Department of Economics and Social Affairs Population Division has issued biennial estimates and projections of urban and rural populations by country and major urban agglomerations since 1988. The World Urbanization Prospects reports are used widely by international organizations, research centers, and the media. The UN 2015 Revision of World Population Prospects web site provides the main findings of the 2015 Revision, which are consistent with its total population projections, by country, as published in the 2014 Revision

Source: World Urbanization Prospects

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US Population by Age and Generation

Millenials have overtaken Babyboomers by nearly 4 million to become the largest generation in the United States. With a current population of around 79 million, the Millenial generation is expected to grow to 81 million over the next 20 years because of migration, according to the US Census Bureau's latest estimates. The boundaries that define generations are not universally agreed, and yet these boundaries carry important implications in business and government. The size, financial security, and general health of each generation shapes everything from marketing campaigns to insurance and social welfare benefits to transportation and health...

Global Demographics

The world has reached 7 billion in total population in 2011. China and India remain the two most populous countries. These two countries are in a different "league" in terms of population in comparison to other countries. Based on UN latest demographic projects, as of 2028, India will overtake China as the world largest country in terms of population. Based on current birth/death rates, every minute 157 new people join world's population. The developed world grows by 4 new people per minute, while the developing world welcomes 153 new people every minute.

World population prospects: migration

Source: UN, Department of Economic and Social Affairs, Population Division

India Population Prospects, The 2017 Revision

Source: UN, Department of Economic and Social Affairs, Population Division