HIV/AIDS emerged in the late 20th century. Believed to have originated in Africa, the disease has spread worldwide. Occurrence of HIV/AIDS and primary means of diffusion vary among regions. Because of the social and economic impacts of this disease, students should have a good understanding of the patterns and processes that define the spread of the disease.
(2009) Over the last several decades, many industries have experienced significant structural changes that have affected their employees.
(2010) U.S.-born Latinos and foreign-born Latinos face widely different social and economic experiences in the United States.
An internationally recognized expert in political demography, Jennifer has worked throughout her career to educate the broader public about the importance of population trends.
Government policymakers and planners around the world use population projections to gauge future demand for food, water, energy, and services, and to forecast future demographic characteristics.
Government policymakers and planners around the world use population projections to gauge future demand for food, water, energy, and services, and to forecast future demographic characteristics.
The first nation in the world to take a regular population census, the United States has been counting its population every 10 years since 1790—as required by the U.S. Constitution (Article I, Section 2).