Stacked next to the ubiquitous piles of green bananas in Uganda's markets are equally ubiquitous 5-foot-tall sacks of charcoal, a major reason why this country's forests are rapidly disappearing. Charcoal and fuel wood are the energy sources for the vast majority of a population that is increasing so rapidly the forests can't possibly keep up.
(2010) In many countries, the elderly now make up an unprecedented share of the population. This increase in the number of older people has implications for national budgets, labor force growth, and family support systems.
(March 2008) The number of international migrants is at an all-time high. There were 191 million migrants in 2005, which means that 3 percent of the world's people left their country of birth or citizenship for a year or more.
(March 2008) The number of international migrants is at an all-time high. There were 191 million migrants in 2005, which means that 3 percent of the world's people left their country of birth or citizenship for a year or more.
(2012) Of the 48 least developed countries in the world, 33 are located in sub-Saharan Africa. At the same time, this region stands out with the highest birth rates in the world.
(2008) Unauthorized migration is a major issue in the United States and many other countries, sometimes generating intense publicity and debate.
(2006) The "fertility transition"—the shift from large to small families that demographers have observed throughout much of the world—has been remarkably rapid in Morocco, according to a recently released demographic and health survey on that country.