The world's population is expected to peak at 10.3 billion in 2084 and then decline to 10.2 billion through the end of the century.

* Over 8 billion people live on Earth today, with the next billion coming fast * Fertility rates are declining in 60+ countries, while Africa drives future growth * Urbanization, //aging, and climate ...

Far more families are choosing to have fewer — or no — children. Many countries, including the U.S., now face a rapidly aging population that could begin to shrink.

The global upswing in economic activity is strengthening, with global growth projected to rise to 3.6 percent in 2017 and 3.7 percent in 2018. Broad-based upward revisions in the euro area, Japan, ...

Ancient humans in Africa changed their behaviour in a major way 70,000 years ago, which could explain how their descendants ...