A new interactive map of the U.S. shows which states are growing in population the fastest and which are shrinking the quickest. The data, which draws on statistics from the State Data Center, a U.S.

In 2012, the 39 most populous U.S. metro areas accounted for approximately half of the country's total population. These metro areas are shaded below. Click an area to display its 2012 population, as ...

The global population landscape is set to experience a significant shift, as some countries grapple with dramatic declines while others anticipate major growth. New analysis from the World Population ...