The United Nations’ revised World Population Prospects, released a few weeks ago, offered sobering news and even less reason to be complacent about population growth. This story in New Security Beat offers a thorough and factual account of the report’s findings. Estimates were revised upwards partly because earlier estimates turned out to be overly optimistic about the rate of decline in fertility levels. The most widely reported change in the UN population estimates: The medium variant world population level for 2050 was raised from 9.3 billion to 9.6 billion. 2100 is expected to see nearly 11 billion world population.