For the first time ever, more than half of the world’s population now lives in cities. July 11 marks World Population Day and the focus is on South Asia, where the biggest cities in the world are growing quickly. Dhaka, Bangladesh, could be home to 20 million people in 10 years, according to the World Bank. This years theme is “men at work”, in which men are encouraged to help their wives and daughters gain a better life.

The global population has tripled in the last century. In 1988, the earth’s population was five-billion, in 2000 it was 6.06 billion and since then, it has been increasing steadily at the rate of 78 million per year. It is predicted that 7.3 billion to 10.7 billion people will be crammed onto the planet by the year 2050. It is estimated that 90% of this growth will be in developing nations. Nations that already have a hard time feeding and providing services to their populations. By 2030, towns and cities will be home to five billion people. The urban population of Asia and Africa will double in a generation.

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