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Important Data & Research Website Links

U.S. Census Bureau
http://www.census.gov/

American FactFinder
Your source for population, housing, economic, and geographic data from the United States Census Bureau.
http://factfinder2.census.gov/faces/nav/jsf/pages/searchresults.xhtml?refresh=t

American Housing Survey (AHS)
Prior to 1984, the American Housing Survey (AHS) was called the Annual Housing Survey. It is comprised of two major collections: (1) a national survey of housing units throughout the country, and (2) surveys of housing units in selected metropolitan areas. The national data are released by Census in two forms: the National Core file and the National Core and Supplement.
http://www.huduser.org/portal/datasets/ahs.html

Current Population Survey (CPS) Data
The Current Population Survey (CPS) is conducted by the Bureau of the Census for the Bureau of Labor Statistics on a monthly basis. The survey has been conducted for more than 50 years.
http://www.nber.org/data/current-population-survey-data.html

Public Use Microdata Samples (PUMS)
PUMS are samples of housing units taken from the decennial censuses with information on the characteristics of each unit and each person in it. While preserving confidentiality (by removing identifiers), these microdata files permit users with special data needs to prepare virtually any tabulation.
http://www.census.gov/main/www/pums.html

Historical Census Data
Maintained by the University of Virginia, this site provides census data from 1790 to 1960. 
http://fisher.lib.virginia.edu/collections/stats/histcensus/index.html

Integrated Public Use Microdata Series (IPUMS)
Maintained by the Minnesota Population Center at the University of Minnesota , IPUMS-USA is a coherent national census database spanning 1850-2000 and IPUMS-International is dedicated to collecting and distributing census data from around the world.
http://www.ipums.umn.edu/

Missouri Census Data Center
http://mcdc2.missouri.edu/index.shtml

DataFERRET (Federal Electronic Research and Review Extraction Tool)
This site provides access to common datasets, including the CPS, SIPP, American Housing Survey, Survey of Program Dynamics, and the National Health Interview Survey.
http://dataferrett.census.gov/

FedStats
The gateway to statistics from over 100 U.S. federal agencies. Track economic and population trends, education, health care costs, aviation safety, foreign trade, energy use, farm production, and more. 
http://www.fedstats.gov/

Annie E. Casey Foundation
This foundation focuses on fostering public policies, human service reforms, and community supports that more effectively meet the needs of today's vulnerable children and families.
http://www.aecf.org/

Child Trends
Child Trends is a nonprofit, nonpartisan research organization dedicated to improving the lives of children by conducting research and providing science-based information to improve the decisions, programs, and policies that affect children and their families.
http://www.childtrends.org/

Institute for Women's Policy Research (IWPR)
A public policy research organization dedicated to informing and stimulating the debate on issues of critical importance to women and their families.
http://www.iwpr.org

Early Childhood Longitudinal Study (ECLS)
The Early Childhood Longitudinal Study: Kindergarten Class (ECLS-k) is one of three longitudinal studies in the Early Childhood Longitudinal Study (ECLS) program. The ECLS program provides national data on child development, school readiness, and early school experiences.
http://nces.ed.gov/ECLS/kindergarten.asp

National Longitudinal Study of Adolescent Health (Add Health)
The National Longitudinal Survey of Adolescent Health (AddHealth) is a nationally representative sample of adolescents in grades 7 to 12 in the US and was collected for the purpose of measuring the impact of social environment on adolescent health. It examines the general health and well-being of adolescents in the United States, including, (1) the behaviors that promote health and the behaviors that are detrimental to health; and (2) the influence on health of factors particular to the communities in which adolescents reside.
http://www.cpc.unc.edu/projects/addhealth

National Longitudinal Study of Youth 1979
The National Longitudinal Survey of Youth 1979 NLSY79 is a nationally representative sample of 12,686 young men and young women who where 14 to 22 years of age when they were first surveyed in 1979. During the years since that first interview, these young people have finished their schooling, moved out of their parental homes, made decisions on continuing education and training, entered the labor market, served in the military, and married and started families of their own.
http://www.nlsinfo.org/ordering/display_db.php3 - NLSY79

National Longitudinal Study of Youth 1997
The National Longitudinal Survey of Youth 1997 (NLSY79) consists of a nationally representative sample of approximately 9,000 youths who were 12 to 16 years old as of December 31, 1996 . Round 1 of the survey took place in 1997. In that round, both the eligible youth and one of that youth's parents received hour-long personal interviews. In addition, during the screening process, an extensive two-part questionnaire was administered that listed and gathered demographic information on members of the youth's household and on his or her immediate family members living elsewhere. Youths are interviewed on an annual basis. 
http://www.nlsinfo.org/ordering/display_db.php3 - NLSY97

National Youth Survey
National Youth Survey, designed to gain a better understanding of both conventional and deviant types of behavior by youths, involved collecting information from a representative sample of young people in the United States . The first wave of this survey was conducted in 1976, the second wave in 1977, the third wave in 1978, the fourth in 1979, the fifth wave in 1980, the sixth wave in 1983, and the seventh wave in 1987.
www.icpsr.umich.edu

National Science Foundation (NSF)
The NSF is an independent agency of the U.S. Government. Its mission is t o promote the progress of science; to advance the national health, prosperity, and welfare; and to secure the national defense.
http://www.nsf.gov/

Population Council
An international, nonprofit organization that conducts biomedical, social science, and public health research.
http://www.popcouncil.org/about/index.html

DOLPHN
Data online from the Population, Health & Information Project.
http://dolphn.aimglobalhealth.org

Population Reference Bureau (PRB)
For more than 70 years, the PRB has been providing timely and objective information on U.S. and international population trends and their implications.
http://www.prb.org/

RAND
The RAND Corporation is a nonprofit research organization providing objective analysis and effective solutions that address the challenges facing the public and private sectors around the world.
http://www.rand.org/

Population Matters
A RAND program aimed at highlighting the importance of population policy issues and providing a more scientific basis for public debate over population policy questions. 
http://www.rand.org/labor/popmatters/

Sprawl City
A website about consumption growth and population growth and their roles in the urban sprawl that destroys natural habitat and farmland around U.S. cities.
http://www.sprawlcity.org/

The United States Agency for International Development (USAID)
USAID is the principal U.S. agency to extend assistance to countries recovering from disaster, trying to escape poverty, and engaging in democratic reforms. It is an independent federal government agency that receives overall foreign policy guidance from the Secretary of State.
http://www.usaid.gov/

U.S. Citizenship and Immigration Services (USCIS)
The USCIS is responsible for the administration of immigration and naturalization adjudication functions and establishing immigration services policies and priorities. On March 1, 2004 , service and benefit functions of the U.S. Immigration and Naturalization Service (INS) transitioned into the Department of Homeland Security (DHS) as the U.S. Citizenship and Immigration Services (USCIS).
http://uscis.gov/graphics/index.htm

United Nations Population Information Network (POPIN)
POPIN strives to make international, regional and national population information, particularly information available from United Nations sources, easily available to the international community.
http://www.un.org/popin/

Bureau of Labor Statistics (BLS)
The BLS is the principal fact-finding agency for the Federal Government in the broad field of labor economics and statistics and serves as a statistical resource to the U.S. Department of Labor.
http://www.bls.gov/

Bureau of Economic Analysis (BEA)
An agency of the U.S. Department of Commerce, the BEA produces economic accounts statistics that enable government and business decision makers, researchers, and the American public to follow and understand the performance of the Nation's economy.
http://www.bea.gov

The Center for Economic and Policy Research (CEPR)
The CEPR was established in 1999 to promote democratic debate on the most important economic and social issues. The CEPR's Uniform Data Files provide access to many of the most commonly used SIPP and CPS variables.
http://www.cepr.net

The Center for Economic Studies (CES)
CES is a research unit of the Office of the Chief Economist, U.S. Bureau of the Census, established to encourage and support the analytic needs of researchers and policy makers. 
http://www.ces.census.gov/

Economic Policy Institute (EPI)
The EPI is a nonprofit, nonpartisan think thank that seeks to broaden the public debate about strategies to achieve a prosperous and fair economy.
http://www.epinet.org/

Economics Research Service (ERS)
ERS research informs and enhances public and private decision-making on economic and policy issues related to agriculture, food, natural resources, and rural development. The ERS is the main source of economic information and research from the U.S. Department of Agriculture.
http://www.ers.usda.gov/

Federal Reserve Bank of St. Louis
The Research Division's goal is to expand economic knowledge around the globe in the areas of money and banking, macroeconmics, and international and regional economics. The FREDII database provides over 2,900 U.S. economic time series.
http://www.research.stlouisfed.org/

National Bureau of Economic Research (NBER)
The NBER is the nation's leading nonprofit economic research organization dedicated to promoting a greater understanding of how the economy works.
http://www.nber.org/

Urban Institute
A nonpartisan economic and social policy research organization.
http://www.urban.org/

The World Bank Group
The World Bank Group's mission is to fight poverty and improve the living standards of people in the developing world. Data is available from official statistical systems organized and financed by national governments around the world.
http://www.worldbank.org

U.S. Department of Education
http://www.ed.gov/index.jhtml

Educational Resources Information Center (ERIC)
ERIC is a national information system funded by the U.S. Department of Education's Institute of Education Sciences to provide access to education literature and resources.
http://www.eric.ed.gov/

National Center for Education Statistics (NCES)
NCES is the primary federal entity for collecting and analyzing data that are related to education in the United States and other nations.
http://www.nces.ed.gov/

National Education Data Resource Center (NEDRC)
Access to data and statistics from the National Center for Education Statistics (NCES). Data is available from the following studies: IPEDS, NPSAS, NSOPF, B&B, and BPS.
http://nces.ed.gov/partners/nedrc.asp

NCES Quick Tables and Figures
Easy access to close to 4,500 tables, graphs, and figures published in "Education Statistics Quarterly," the NEDRC Postsecondary Tables Library, the "Condition of Education: The Digest of Education Statistics," and other NCES publications.
http://nces.ed.gov/quicktables/

School District Demographics
This website is maintained by the NCES and provides access to school district geographic and demographic data useful for describing and analyzing characteristics of school districts, children, and K-12 education.
http://nces.ed.gov/surveys/sdds/index.asp

UNESCO Institute for Statistics
The statistical branch of the United Nations Organization for Education, Science and Culture (UNESCO).
http://www.uis.unesco.org/ev_en.php?ID=2867_201&ID2=DO_TOPIC

High School and Beyond (HS&B)
The High School and Beyond (HS&B) survey is one of three studies that make up the National Education Longitudinal Studies (NELS) program. This program was established to study the educational, vocational, and personal development of young people beginning with their elementary or high school years, and following them over time as they begin to take on adult roles and responsibilities.
http://nces.ed.gov/surveys/hsb/

National Education Longitudinal Survey (NELS)
The National Education Longitudinal Survey began in the spring of 1988 with nationally representative sample of eighth-graders. A sample of these respondents was then resurveyed through four follow-ups in 1990, 1992, 1994, and 2000.
http://nces.ed.gov/surveys/nels88/

Schools and Staffing Survey
The SASS survey system consists of four integrated surveys of schools, administrators, and teachers in the United States. The primary goals of the system are to ascertain information on teacher demand and shortage, teacher and administrator characteristics, school programs, and general conditions in schools.
http://nces.ed.gov/surveys/sass/

Fragile Families and Child Wellbeing Study
The Fragile Families and Child Wellbeing Study, also called "The Survey of New Parents," follows a birth cohort of (mostly) unwed parents and their children over a five-year period.  It addresses three areas of great interest to policy makers and community leaders-non-marital childbearing, welfare reform, and the role of fathers-and brings these three areas together in an innovative, integrated framework.
http://www.fragilefamilies.princeton.edu/documentation.asp

How Couples Meet and Stay Together
How Couples Meet and Stay Together (HCMST) is a study of how Americans meet their spouses and romantic partners. It is a nationally representative study of American adults conducted in 2009 which oversamples self-identified gay, lesbian, and bisexual adults. 
http://data.stanford.edu/hcmst

Intergenerational Panel Study of Parents and Children
The Intergenerational Panel Study of Parents and Children is a 31-year panel study that began in 1962 and extends through 1993. The families participating in the study were chosen to represent white couples in the Detroit metropolitan area who had just given birth to their first, second, or fourth child in 1961. The resulting longitudinal study encompasses eight waves of data collected from mothers across the entire span of their offspring's childhood. Included are demographic, social, and economic information about the parental family, information about the attitudes, values, and behavior of both the mother and the father, and information about the mother's desires and expectations for her child's education, career attainments, and marriage. 
http://webapp.icpsr.umich.edu/cocoon/ICPSR-STUDY/09902.xml

Marital Instability Over the Lifecourse
The Marital Instability Over the Life Course series is a nationwide longitudinal study that was designed to examine the causes of marital instability throughout the life course. Six waves of data were collected between 1980 and 2000 from married individuals who were between the ages of 18 and 55 in 1980.
http://webapp.icpsr.umich.edu/cocoon/ICPSR-STUDY/03812.xml

National Couples Survey
Data for the National Couples Survey (NCS) were collected in 2005-2006 as part of two NIH-funded studies examining couples' contraceptive decision-making. The survey obtained separate, parallel reports from both partners, providing unique and detailed data on the power relations, birth desires, method-related expectancies, values, perceptions, preferences, and behaviors of men and women making contraceptive and disease prevention choices within the context of an intimate heterosexual relationship. 
http://www.icpsr.umich.edu/cocoon/DSDR/STUDY/24384.xml

National Survey of American Families
The National Survey of America's Families provides a comprehensive look at the well-being of children and non-elderly adults, and reveals sometimes striking differences among the 13 states studied in depth. The survey provides quantitative measures of child, adult and family well-being in America, with an emphasis on persons in low-income families. 
http://www.icpsr.umich.edu/cocoon/ICPSR/SERIES/00216.xml

National Survey of Family Growth
The NSFG was conducted by the National Center for Health Statistics (NCHS) in 1973, 1976, 1988, 1995, 2002, and 2006-2008. The 1973 to 1995 surveys are of women ages 15 to 44 years of age. These data provide reliable national estimates on marriage, divorce, contraception, infertility, and the health of women and infants in the United States. 
http://www.cdc.gov/nchs/nsfg.htm

National Survey of Fertility Barriers
The National Survey of Fertility Barriers (NSFB) is a nationally representative telephone survey of women age 25-45 that was funded by the National Institute of Child Health and Development (NICHD). The study is designed to allow the examination of differences between women with biomedical barriers who do and do not seek treatment as well as the comparison of women with biomedical barriers to those who are childless by choice or circumstance. These barriers include sub-fecundity, but also repeated miscarriages, health conditions that preclude childbearing, and sterilization regret.
http://sodapop.pop.psu.edu/data-collections/nsfb/dataloc/

Welfare, Children and Families, a Three City Study
The Welfare, Children and Families Study is a longitudinal study of children and their caregivers in low-income families that were living in low-income neighborhoods in three cities. The first survey was conducted in 1999 and two follow-ups were conducted in 2001 and again in 2005. The purpose of the study is to investigate the consequences of policy changes resulting from the Personal Responsibility and Work Opportunity Reconciliation Act of 1996 (PRWORA). The survey was designed to provide information on the health and cognitive, behavioral, and emotional development of children and on their primary caregivers' labor force behavior, welfare experiences, family lives, use of social service, health, and well-being. 
http://www.jhu.edu/~welfare/

Centers for Disease Control and Prevention (CDC)
The CDC serves as the national focus for developing and applying disease prevention and control, environment health, and health promotion and education activities designed to improve the health of the people of the United States.
http://www.cdc.gov

CDC WONDER
CDC WONDER (Wide-ranging Online Data for Epidemiologic Research) is a warehouse of public health data from the CDC.
http://wonder.cdc.gov/

Disability Online Resource Center
Disability Online offers a comprehensive resource center for all disability related resources, topics, and services for researchers and disabled individuals.
http://www.disability-online.com/

The Henry J. Kaiser Family Foundation
This foundation is a nonprofit, private operating foundation focusing on the major health care issues facing the nation.
http://www.kff.org/

National Archive of Computerized Data on Aging (NACDA)
NACDA is located within ICPSR and aquires and preserves data relevant to gerontological research.
http://www.icpsr.umich.edu/NACDA/welcome.html

National Center for Health Statistics (NCHS)
A component of the CDC, the NCHS is the Nation's principal health statistics agency.
http://www.cdc.gov/nchs/

National Institutes of Health
The NIH, comprising 27 separate Institutes and Centers, aims to help prevent, detect, diagnose, and treat disease and disability by conducting research, supporting the research of non-Federal scientists, helping in the training of research investigators, and fostering communication of medical and health sciences information.
http://www.nih.gov/

U.S. Department of Health and Human Services
http://www.hhs.gov/

World Health Organization (WHO)
WHO, the United Nations specialized agency for health, focuses on the attainment by all peoples of the highest possible level of health. It is governed by 192 Member States through the World Health Assembly.
http://www.who.int/en/

Study of Assets and Health Dynamics (AHEAD)
The Study of Assets and Health Dynamics Among the Oldest Old and its companion the Health and Retirement Study, are sponsored by the National Institute on Aging and are collected by the Institute for Social Research at the University of Michigan. The AHEAD study provides data to address a broad range of scientific questions focused on the interplay of resources and late-life health transitions.
http://www.rand.org/labor/aging/dataprod/index.html

Americans' Changing Lives Survey (ACL)
The Americans' Changing Lives survey (ACL) is a longitudinal study of the relationships between aging, health, and social conditions with a particular emphasis on differences between Black and White Americans in middle and late life. The national longitudinal panel survey which began in 1987 covered a wide range of sociological, psychological, mental, and physical health items.
http://dx.doi.org/10.3886/ICPSR04690

Behavioral Risk Factor Surveillance System
The Behavioral Risk Factor Surveillance System (BRFSS) is an ongoing data collection program developed and conducted to monitor state-level prevalence of the major behavioral risks associated with premature morbidity and mortality among adults. The data includes measures of alcohol consumption, tobacco use and sexual behavior. Information is also collected about chronic illnesses such as diabetes, arthritis, respiratory and cardiovascular disease as well as the utilization of health services for example family planning and preventative counseling services.
http://www.cdc.gov/brfss/technical_infodata/surveydata.htm

Health and Retirement Study (HRS)
The Health and Retirement Study and its companion, the Study of Assets and Health Dynamics among the Oldest Old (AHEAD), are sponsored by the National Institute on Aging and are collected by the Institute for Social Research at the University of Michigan. The HRS is intended to provide data for researchers, policy analysts, and program planners who are making major policy decisions that affect retirement, health insurance, saving, and economic well-being. 
http://hrsonline.isr.umich.edu/index.php?p=showcbk

The NHIS Longitudinal Study of Aging, 1984-2000 (LSOA)
The Longitudinal Studies of Aging (LSOAs) is a collaborative project of the National Center for Health Statistics (NCHS) and the National Institute on Aging (NIA). It is a mulitcohort study of persons 70 years of age and over designed primarily to measure changes in the health, functional status, living arrangements, and health services utilization of two cohorts of Americans as they move into and through the oldest ages.
http://www.cdc.gov/nchs/lsoa.htm

National Health Interview Survey (NHIS)
The National Health Interview Survey (NHIS) is a multi-purpose health survey conducted by the National Center for Health Statistics (NCHS). It is the principal source of information on the health of the civilian, non-institutionalized, household population of the United States. 
http://www.cdc.gov/nchs/nhis/nhis_questionnaires.htm

National Health and Nutrition Examination Survey (NHANES)
The National Health and Nutrition Examination Survey (NHANES) is a survey that combines interviews and physical examinations to assess the health and nutritional status of adults and children in the United States. 
http://www.cdc.gov/nchs/nhanes.htm

Ohio Family Health Survey
The 1998 Ohio Family Health Survey was developed to obtain baseline measures of health insurance coverage, health status, health risk behaviors, access to care, health care utilization, health care costs, satisfaction with care and unmet health needs. Additionally, the survey also collected demographic and socioeconomic characteristics in these reports which included gender, age group, race, ethnicity, educational attainment, marital status, family composition, family income, county type and work status.
http://www.odh.ohio.gov/healthStats/survey/ofhs1.aspx

Mexican Migration Project (MMP)
The MMP is a multidisciplinary research effort between investigators in Mexico and the United States. Each year, during the winter months (when seasonal migrants are home), the Mexican Migration Project randomly samples households in communities located throughout Mexico. After gathering social, demographic, and economic information on the household and its members, interviewers collect basic information on each person's first and last trip to the United States.
http://mmp.opr.princeton.edu/

Immigrants Admitted to the United States
These data are collected and distributed by the United States Department of Justice, U.S. Citizenship and Immigration Services (formerly referred to as the Immigration and Naturalization Service). The data contain information about the characteristics of aliens who became legal permanent residents of the United States each fiscal year (October-September) from 1972-2000. Information is provided for two types of immigrants, New Arrivals and Adjustments. 
http://webapp.icpsr.umich.edu/cocoon/ICPSR-SERIES/00121.xml

The Children of Immigrants Longitudinal Study (CILS)
The Children of Immigrants Longitudinal Study (CILS) was designed to study the adaptation process of the immigrant second generation. The immigrant second generation is defined as U.S.-born children with at least one foreign-born parent or children born abroad but brought at an early age to the United States. The sample includes second-generation children attending public and private schools in Miami/Ft. Lauderdale, Florida and San Diego, California. The immigrant groups most largely represented include Cubans, Haitians, Nicaraguans, and West Indians in South Florida and Mexicans, Filipinos, Vietnamese, Laotians, and Cambodians in California. 
http://cmd.princeton.edu/cils3.shtml

Joint Center for Poverty Research
JCPR concentrates on the causes and consequences of poverty in American and the effectiveness of policies aimed at reducing poverty.
http://www.jcpr.org/

Rural Policy Research Institute (RUPRI)
The RUPRI conducts policy-relevent research and facilitates public dialogue to assist policymakers in understanding the rural impacts of public policies and programs.
http://www.rupri.org/

Institute for Research on Poverty
The Institute for Research on Poverty (IRP) is a university-based center for research into the causes and consequences of poverty and social inequality in the United States.
http://www.ssc.wisc.edu/irp/

Center for Law and Social Policy
A national public interest law firm with expertise in both law and policy affecting the poor; publications; newsletter; links
http://www.clasp.org/

Poverty Guidelines, Research, and Measurement
U.S. Department of Health and Human Services
poverty guidelines (program eligibility figures) since 1996; papers and references on poverty lines and poverty measurement
http://www.clasp.org/

American Religion Data Archive (ARDA)
The ARDA collection includes data on churches and church membership, religious professionals, and religious groups (individuals, congregations and denominations).
http://www.thearda.com/