When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young to begin with) and migration. In the case of religious groups, a fifth factor is […]
Survey Report In the aftermath of deadly terrorist attacks in Paris — and months after the start of U.S. airstrikes against ISIS — there has been little change in the public’s worries about an imminent terrorist attack in the United States. One-in-four (25%) are very worried about a domestic terrorist attack happening “soon,” while about […]
In recent years, high-profile protest movements have erupted in several emerging and developing countries, roiling, and sometimes overturning, the political status quo in Tunisia, Egypt, Turkey, Ukraine, Brazil, Thailand and other nations. Millions have demonstrated, and activists have pioneered new forms of online engagement.