How many people are there in the world?
The world population is the population of humans on the planet Earth. There are currently over six billion people on the planet–we passed the six billion mark on October 12th, 1999! In 2009, the United Nations estimated the population to be 6,800,000,000; current estimates by the United States Census Bureau put the population at 6,855,300,000.
A few more interesting facts: every second five people are born and two people die, for a net gain of three people. But we can’t keep going at that rate; the UN estimates that we’ll take another 120 years to double our population. The population is expected to peak at around 9 billion between the year 2040 and 2050.
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What is the largest city in the world?