There could be billions more people living on Earth than currently thought, according to a new study which claims rural ...

Perhaps even more shocking is that 15% of the world population in 2011, about 1 billion people, lived on under $2 per day. Pew produced a map illustrating the percentage of the population in each ...

Researchers assessed the five most widely used global population datasets that map the planet into ... suggest over 40 per cent of the world's 8.2 billion people live in rural areas.