Marking the birth of the 7 billionth person on earth, here are five myths challenging everything you think you know about the world's population.

In many of today's important "emerging markets," demographic pressures may constrain economic growth more significantly than people may think.

Are CEOs of large companies being overpaid?

Ever since its founding in 1948, the Democratic People's Republic of Korea has maintained an aggressive and bellicose international security posture. Today, fully two decades after the end of the Cold War, North Korea's external defense and security policies look arguably more extreme and anomalous than ever.

Population projections from the United Nations suggest that many countries face a decline in population and an unprecedented "aging explosion."

One set of projections by the United Nations of current demographic trends suggests that the world's population may peak in the middle of the next century and then steadily decline.

Most of the news from this week's 23rd General Population Conference in Beijing has focused on the threat of overpopulation. But this danger may be a myth. Over the past several years, some of the world's best demographers have begun a dramatic reassessment of the world's demographic future. They are...