Delhi most populous city after Tokyo
Three Indian cities, Delhi, Mumbai and Kolkata, are among the 15 largest cities in the world by population.
Tokyo is the world’s most populous city with 38 million inhabitants, followed by Delhi with 25 million, Shanghai with 23 million, and Mexico City, Mumbai and São Paulo, each with around 21 million inhabitants.
Osaka has just over 20 million, followed by Beijing with slightly less than 20 million. The New York-Newark area and Cairo complete the Top 10 most populous urban areas with around 18.5 million inhabitants each.
According to a new United Nations report, more than half (54 per cent) of the world’s population lives in urban areas and the number is expected to increase by another 2.5 billion till 2050.
The urban population of the world has grown rapidly from 746 million in 1950 to 3.9 billion in 2014 and is expected to surpass 6 billion in 2045. Close to 90 per cent of the increase in urbanisation will be concentrated in Asia and Africa, according to the World Urbanisation Prospects produced by the UN population division of the department of economic and social affairs.
The largest urban growth will take place in India, China and Nigeria. By 2050, India is projected to add 404 million urban dwellers, China 292 million and Nigeria 212 million. These three countries will account for 37 per cent of the projected growth of the world’s urban population between 2014 and 2050.
The rural population of the world has grown slowly since 1950 and is expected to reach its peak around 2020.
The global rural population is now close to 3.4 billion and is expected to decline to 3.1 billion by 2050.
Africa and Asia are urbanising rapidly, but are home to nearly 90 per cent of the world’s rural population. India has the largest rural population with 857 million, followed by China with 635 million.
Asia, despite its lower level of urbanisation, is home to 53 per cent of the world’s urban population, followed by Europe with 14 per cent and Latin America and the Caribb-ean with 13 per cent. Mega-cities with more than 10 million inhabitants are increasing across the world. In 2014, there are 28 mega-cities worldwide, home to 453 million people or about 12 per cent of the world’s urban dwellers. Of today’s 28 mega-cities, 16 are located in Asia, four in Latin America, three each in Africa and Europe, and two in Northern America.
By 2030, the world is projected to have 41 mega-cities with 10 million inhabitants or more.India has nine cities with population of more than 5 million each. Bengaluru with 9.718 million population is the fourth largest Indian city follwed by Chennai with 9.620 million. Hyderabad with 8.670 million, Ahmedabad with 7.116 million, Pune (5.574 million) and Surat (5.398 million) also make the list of cities with 5-million plus population.
In contrast, China has 14 cities with population of more than 5 million. Shanghai is the most populous Chinese city with 22.991 million inhabitants. Beijing has 19.250 inhabitants. Two Pakistan cities Karachi (16.126 million) and Lahore (8.5 million) have also made the list. Bangladesh capital Dhaka has a population of 16.982 million.