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In PHOTOS: Our crowded planet

Last updated on: August 8, 2011 09:44 IST

A view of a residential building in Shanghai

The world's population will reach seven billion mark by October. According to the United Nations, with five babies being born every second, 78 million people are added to the global community each year, the Daily Mail reports.

The population was fewer than one billion in 1800, three billion in 1960 and six billion as recently as 1999. According to experts, the next landmark statistic will be eight billion in 2025.

Much of the dramatic increase can be accounted for by the world's poorest nations, which are expected to double their numbers over the next decade.

Let's take a glimpse of our crowded planet.

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