American Community Survey: A Guide for Data Users (PDF: 233KB)
This user's guide reviews the information you need to know about the American Community Survey (ACS), with a focus on data for children. It describes the basic design of the ACS and presents practical information on using one-year and multiyear estimates, including issues related to geographic boundary changes, population changes, adjusting dollar amounts, and measuring trends. (November 2006)

PRB Discuss Online: "The U.S. at 300 Million: Challenges and Opportunities"
The U.S. is set to reach a milestone this month: It will become the third country, after China and India, to be home to at least 300 million people. Why is this milestone significant? What are the most important changes since the 1960s, as the United States saw a decline in household size, rise in women's labor force participation, increase in education, and growth in the number of foreign-born people. Linda Jacobsen, director of domestic programs at PRB, led this PRB Discuss Online. Read a transcript of the questions and answers. (October 2006)

U.S. at 300 Million: Symposium Webcast
On Oct. 5, 2006, experts gathered at the National Press Club, in Washington, DC, for a symposium highlighting the challenges and prospects of the U.S. reaching 300 Million at some point in October 2006. Topics covered included: demographics, education, infrastructure, politics and governance, and growth. (October 2006)

Quick Facts: America at 300 Million
The United States is set to reach a milestone in October. Joining China and India, it will become the third country to be home to at least 300 million people. These are some ways the nation has changed since reaching 200 million in 1967 (September 2006)

India's Population: Reconciling Change and Tradition

 India has more people than Europe, more than Africa, and more than the entire Western Hemisphere. India's population will exceed that of China before 2030 to become the world's most-populous country, a distinction it will almost certainly never lose. This Population Bulletin presents a demographic portrait of the diverse country of India in the early years of the 21st century and offers insight into some of the forces driving continued growth. (BUL61.3, September 2006)

The United States at 300 Million
The United States is set to reach a milestone in October. It will become the third country—after China and India—to be home to at least 300 million people. (September 2006)

2006 World Population Data Sheet Webcast
The 2006 World Population Data Sheet was released at a press briefing at the National Press Club in Washington, DC, on Aug. 17, 2006. (August 2006)

World Population Clock, 2006
This world population clock reflects data from PRB's 2006 World Population Data Sheet. The clock reflects births, deaths, natural increase, and infant deaths by year, month, week, day, hour, minute, and second.  The data are for the world, and for more developed countries and less developed countries. (2006)

How HIV and AIDS Affect Populations

 This policy brief gives an overview of the effects of HIV and AIDS on population size, characteristics, and well-being. It also highlights the major efforts needed to control the epidemic, which continues to spread worldwide despite prevention efforts and successes in a few countries. (2006)

2006 World Population Data Sheet

 PRB's 2006 World Population Data Sheet contains the latest population estimates, projections, and other key indicators for more than 200 countries, including births, deaths, natural increase, infant mortality, life expectancy, urban population, HIV/AIDS prevalence, contraceptive use, land area, percent of population living below $2/day, and population per square mile. New for the 2006 Data Sheet are data on net migration rates, percent of surface area protected, and population with access to improved sanitation. (August 2006)