Here is a handy set of charts to get you settled into our crowded world. To truly understand world population, it’s important to visualize the sheer size of the growth, where it’s happening and how it is changing our global identity. Yet this video may dive too far into the issue. This year’s UN theme is “ Investing in Teenage Girls,” which the UNFPA has helped explain through this nifty animation. Why should you care? Monday is World Population Day, an event first observed by the UN Development Programme in 1989 to raise awareness of population related issues. The world is adding another billion people about every 12 years. More so, the global growth rate is accelerating. Yes, that means the world added 3.5 billion people in just 43 years. Incredibly, that was double the global population only 43 years before. In 2011, the world crossed the 7 billion people mark. The rising number of people on the planet should not surprise anyone alive for the last century. And instead of declining because of disease or massive natural disasters, the reasons for decline may be simple personal choice. The good news is that most experts believe that in the second half of the century, the population will peak at just over 11 billion before it will actually decline. By some estimates there could be almost 14 billion people on planet earth by 2100. What's unclear is what will happen in the second half of the cenutry. It's pretty universally agreed that humanity's numbers will continue to grow in the near term. As with many expert predictions, it all depends. ![]() With more than 7.3 billion people on the planet today, the world may have more than 10 billion people in the next 25 years. Even more amazing? The world could have way more by the end of the century - or it could start shrinking.
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