(Bloomberg) -- Over the next 30 years, more than two thirds of the world’s population will be living in urban areas, according to a United Nations report highlighting global demographic shifts. Today, slightly more than half of the world’s population lives in an urban area. Most of the growth in the coming years will be highly concentrated in just a few countries with one third coming from India, China and Nigeria. By 2050, these three countries are projected to have added 860 million urban dwellers. Rural populations are projected to peak in the next few years and by 2050, rural populations will have fallen by almost 325 million people globally.
A new phenomenon is coming too -- cities with a population of 10 million or more in low-income countries. Kinshasa, DR Congo is projected to become the seventh-largest metro area on Earth by 2035. Delhi is expected to be the most populous city in the world in a decade -- surpassing Tokyo. Chennai (Madras), India; Luanda, Angola; and Hyderabad, India will join the ranks of the 30 largest cities in the world. By 2030, the world is projected to have 43 mega-cities with more than 10 million inhabitants, according to the report.
By 2020, Tokyo’s population is projected to enter into decline.
The level of urbanization surpassed 50 percent globally in 2007 and is expected to reach that figure in Asia next year. India is projected to cross over to a majority urban country in 2046. Africa is seen remaining majority rural, with 43 percent of the population living in urban areas in 2050. In the U.S., nine in 10 people are projected to live in an urban area.
--With assistance from Wei Lu.
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