IFs is a computer simulation of global systems for classroom and research use. IFs can be used to teach about or study demographics, economics, food, energy, the environment, and international politics.
A nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling,
The Pew Research Center’s Social & Demographic Trends project studies behaviors and attitudes of Americans in key realms of their lives, including family, community, health, finance, work and leisure. The project explores these topics by combining original public opinion survey research with social, economic and demographic data analysis.