World Population Highlights: Key Findings From PRB’s 2009 World Population Data Sheet
(2009) Population change will shape the prospects of regions and countries over the next half century.
(2009) Population change will shape the prospects of regions and countries over the next half century.
Mathematical demography is rarely used in heated political debate. But the classic 1925 article "On the True Rate of Natural Increase," which synthesized years of work by Alfred Lotka and several collaborators, led off with a snipe at those who had just passed the most restrictive immigration law ever seen in the United States.
(2010) Numerous studies have demonstrated the positive impact of girls' education on child and maternal mortality, health, fertility rates, poverty, and economic growth.
(2004) Human beings have become an increasingly powerful environmental force over the last 10,000 years. With the advent of agriculture 8,000 years ago, we began to change the land.1
(2002) Many people who immigrate to the United States settle in close-knit communities with other immigrants who share their culture, language, and traditions. In these ethnic enclaves, many new immigrants do not speak English very well, a factor that often isolates them from institutions and opportunities outside of their communities.
(2006) The world's elderly population is quickly growing, both in its absolute numbers and in its percentage relative to the younger population—the latter trend known as population aging.
(2006) As avian flu kills a growing number of people and outbreaks of the virus are reported in birds from China to Turkey, public health officials fear a new global influenza pandemic could already be brewing.