170 Works

IPUMS USA

IPUMS USA collects, preserves and harmonizes U.S. census microdata and provides easy access to this data with enhanced documentation. Data includes decennial censuses from 1790 to 2010 and American Community Surveys (ACS) from 2000 to the present. IPUMS USA includes basic demographic data (e.g., age, race, sex, marital status, and relationship to the head of household), along with economic data (e.g., occupation, industry, income, work status, education, migration, place of work, type of housing, disability...

IPUMS CPS

IPUMS CPS harmonizes microdata from the monthly U.S. labor force survey, the Current Population Survey (CPS), covering the period 1962 to the present. Data include demographic information, rich employment data, program participation and supplemental data on topics such as fertility, tobacco use, volunteer activities, voter registration, computer and internet use, food security, and more. The CPS is a monthly U.S. household survey conducted jointly by the U.S. Census Bureau and the Bureau of Labor Statistics....

Immigration, Suburbia, and the Politics of Population in US Metropolitan Areas

Kyle Walker
Suburbs in the United States, traditionally represented as a homogenous domain of white, middle-class residents, are in the midst of unprecedented demographic change due to immigration. Suburban immigrant populations now outnumber and are growing faster than their counterparts in central cities. Many suburbs across the country have responded unfavorably to these demographic changes, however, pushing in some cases for the implementation of ordinances and other local policies specifically designed to exclude undocumented immigrants from their...

Harmonizing the 2010 and 2002 Census Occupation Coding Schemes

Kari C.W. Williams & Sarah M. Flood
The study of occupations has a long history in the social sciences. The United States Census Bureau creates and updates occupation codes based on the Standard Occupation Classification System to systematically identify similar jobs and classify them into occupations. Periodic updates to occupation codes are necessary for documenting emerging and disappearing occupations and appropriately reflecting the labor market. While these updates are important for capturing the changing jobs that are performed in the United States,...

IPUMS Health Surveys: National Health Interview Survey, Version 6.4

Lynn A. Blewett, Julia A. Rivera Drew, Miriam L. King & Kari C.W. Williams
The IPUMS NHIS is a harmonized set of data for over 50 years (1963-present) of the National Health Interview Survey (NHIS). The NHIS is the principal source of information on the health of the U.S. population, covering such topics as general health status, the distribution of acute and chronic illness, functional limitations, access to and use of medical services, insurance coverage, and health behaviors (such as exercise, diet, and tobacco and alcohol consumption). On average,...

Unequally Insecure: Rising Black/White Disparities in Job Displacement, 1981-2017

Elizabeth Wrigley-Field & Nathan Seltzer
Social scientists have documented vast racial disparities in labor market outcomes such as hiring and firing decisions, compensation, and opportunities for occupational advancement. Yet little is known about the racial patterning of job displacement (permanent involuntary layoffs), a remarkably common labor market outcome. Using data from the Displaced Worker Survey, covering nearly four decades of displacements, 1981-2017, we provide the first systematic analysis of Black/white displacement disparities. We find that Black workers were nearly always...

Opening the Front Door: Household Composition as a Link Between Asian American Identities and Histories

Ummul-Kiram Kathawalla & Carolyn A. Liebler

IPUMS-PMA: Version 4.0

Elizabeth Heger Boyle, Devon Kristiansen & Matthew Sobek
IPUMS-PMA is a harmonized data collection of Performance Monitoring for Action [formerly known as Performance Monitoring and Accountability 2020], a high-frequency survey for the measurement of progress toward Family Planning 2020 goals. It consists of individual-level and facility-level microdata collected through household, female, and service delivery point surveys about family planning behaviors, water, sanitation, health, nutrition, and reproductive health care provision in 11 countries of Africa and Asia.

Unequally Insecure: Rising Black/White Disparities in Job Displacement, 1981-2017

&
Social scientists have documented vast racial disparities in labor market outcomes such as hiring and firing decisions, compensation, and opportunities for occupational advancement. Yet little is known about the racial patterning of job displacement (permanent involuntary layoffs), a remarkably common labor market outcome. Using data from the Displaced Worker Survey, covering nearly four decades of displacements, 1981-2017, we provide the first systematic analysis of Black/white displacement disparities since the 1990s. We find that Black workers...

U.S. Racial Inequality May Be as Deadly as COVID-19

Elizabeth Wrigley-Field
The Covid-19 pandemic is causing a catastrophic increase in U.S. mortality. How does the scale of this pandemic compare to another U.S. catastrophe: racial inequality? Using demographic models, I estimate how many excess white deaths would raise U.S. white mortality to the bestever (lowest) U.S. Black level under alternative, plausible assumptions about the age patterning of excess mortality in 2020. I find that nearly 400,000 excess white deaths would be needed to equal the best...

A New Strategy for Linking Historical Censuses: A Case Study for the IPUMS Multigenerational Longitudinal Panel

Jonas Helgertz, Joseph R. Price, Jacob Wellington, Kelly Thompson, Steven Ruggles & Catherine R. Fitch
This paper presents a new probabilistic method of record linkage, developed using the U.S. full count censuses of 1900 and 1910 but applicable to a range of different sources of historical records. The method was designed to exploit a more comprehensive set of individual and contextual characteristics present in historical census data, aiming to obtain a machine learning algorithm that better distinguishes between multiple potential matches. Our results demonstrate that the method achieves a match...

IPUMS International Historical Geographic Information System

Steven Mason, Tracy A. Kugler, Jonathan Schroeder, David Van Riper & Steven Ruggles
The International Historical Geographic Information System (IHGIS) provides data tables from statistical publications of population and housing censuses and agricultural censuses from around the world. Topics covered vary by census. Population and housing censuses typically cover topics such as demographic characteristics, household structure, education, economic activity, migration, and physical characteristics of dwellings. Agricultural censuses typically cover topics such as type and size of farms, area and yield of various crops, number and type of livestock...

IPUMS IHGIS

The International Historical Geographic Information System (IHGIS) provides data tables from statistical publications of population and housing censuses and agricultural censuses from around the world. Topics covered vary by census. Population and housing censuses typically cover topics such as demographic characteristics, household structure, education, economic activity, migration, and physical characteristics of dwellings. Agricultural censuses typically cover topics such as type and size of farms, area and yield of various crops, number and type of livestock...

IPUMS USA - FSRDC: Version 2.0

Steven Ruggles, Erin Meyer, Sarah Flood, Catherine A. Fitch & Matthew Sobek
IPUMS harmonized decennial census data are now available in the Federal Statistical Research Data Centers (FSRDCs). FSRDCs provide necessary security for handling confidential data, allowing the Census Bureau to make non-public versions of decennial data available for research. The collection consists of over one billion person records and 400 million household records. In addition to the large size of the collection, these data are invaluable because the files provide far greater geographic detail than is...

IPUMS Linked Representative Samples, 1850-1930

Ronald Goeken & Steven Ruggles
The IPUMS Linked Representative Samples links records from the 1880 complete-count database to 1% samples of the 1850 to 1930 U.S. censuses of the population. Data samples have been produced for 7 pairs of years: 1850-1880, 1860-1880, 1870-1880, 1880-1900, 1880-1910, 1880-1920, and 1880-1930. Each of these contains three independent linked samples: one of men, one of women, and one of married couples. This final release of the database supersedes the preliminary version that was made...

IPUMS Multigenerational Longitudinal Panel: Version 1.0

Jonas Helgertz, Steven Ruggles, Warren John Robert, Fitch Catherine A., Ronald Goeken, Hacker J. David, Nelson Matt A., Price Joseph P., Roberts Evan & Sobek Matthew
The IPUMS Multigenerational Longitudinal Panel project links individuals' records between full count censuses from 1850 to 1940. IPUMS disseinates full count cens enumerations for nine census years from 1850 to 1940. These full count data, covering almost 700 million individual records, are the fruit of collaboration between IPUMS and world's two largest genealogical organizations --Ancestry.com and FamilySearch-- to leverage genealogical data for scientific purposes. Fll count data have opended the possibility of automated record linkages...

MPC Working Paper Series

The purpose of our working paper series is to highlight the population-related research of MPC members. All papers have completed a review process prior to the posting in the Working Paper Series, but full responsibility for the content of the paper remains with the author(s).

Did the Urban Mortality Penalty Disappear? Revisiting the Early Twentieth Century’s Urban-Rural Mortality Convergence

James Feigenbaum, Lauren Hoehn-Velasco & Elizabeth Wrigley-Field
Over the early twentieth-century, mortality converged between urban and rural areas. This convergence has been attributed to public health infrastructure investments in cities. In this study, we revisit this narrative using disaggregated city and rural mortality data. While our initial findings confirm the stylized narrative suggesting a negligible urban penalty by 1900, when we examine age-standardized mortality rates, we show that the urban mortality penalty persists until 1936. We attribute this pattern to the large...

IPUMS Higher Ed

IPUMS Higher Ed integrates the data from the Scientists and Engineers Statistical Data System (SESTAT), a database developed by the National Science Foundation. The database provides demographic, educational, employment, and earnings data about scientists and engineers in the United States. The data are derived from three survey: the National Survey of College Graduates, the Survey of Doctorate Recipients, and the National Survey of Recent College Graduates. The three surveys are fielded at the same time,...

Integrated Health Interview Series

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The Integrated Health Interview Series (IHIS) is a harmonized set of data for over 50 years (1963-present) of the National Health Interview Survey (NHIS). The NHIS is the principal source of information on the health of the U.S. population, covering such topics as general health status, the distribution of acute and chronic illness, functional limitations, access to and use of medical services, insurance coverage, and health behaviors (such as exercise, diet, and tobacco and alcohol...

Integrated Public Use Microdata Series, International

IPUMS-International is an effort to inventory, preserve, harmonize, and disseminate census microdata from around the world. The project has collected the world's largest archive of publicly available census samples. The data are coded and documented consistently across countries and over time to facilitate comparative research. IPUMS-International makes these data available to qualified researchers free of charge through a web dissemination system.

IPUMS-Demographic and Health Surveys

Elizabeth Boyle, Miriam King & Matthew Sobek
The IPUMS-DHS project harmonizes Demographic and Health Surveys (DHS) data and documentation for Africa, the Middle East and Southeast Asia to facilitate comparative research across time and countries. The DHS are the main source of information on health in low- and middle-income countries. IPUMS-DHS is designed to facilitate analysis of DHS data across time and space. IPUMS-DHS adds value to the original DHS samples in the following ways: variables are coded consistently across countries and...

IPUMS-Demographic and Health Surveys: Version 4.1

Elizabeth Heger Boyle, Miriam King & Matthew Sobek
The IPUMS-DHS project harmonizes Demographic and Health Surveys (DHS) data and documentation for Africa, the Middle East and Asia to facilitate comparative research across time and countries. The DHS are the main source of information on health in low- and middle-income countries. IPUMS-DHS is designed to facilitate analysis of DHS data across time and space. IPUMS-DHS adds value to the original DHS samples in the following ways: variables are coded consistently across countries and over...

Integrated Public Use Microdata Series, International: Version 6.5

IPUMS-International is an effort to inventory, preserve, harmonize, and disseminate census microdata from around the world. The project has collected the world's largest archive of publicly available census samples. The data are coded and documented consistently across countries and over time to facilitate comparative research. IPUMS-International makes these data available to qualified researchers free of charge through a web dissemination system.

IPUMS USA: Version 8.0

Steven Ruggles, Sarah Flood, Ronald Goeken, Josiah Grover, Erin Meyer, Jose Pacas & Matthew Sobek
IPUMS USA contains harmonized census and American Community Survey (ACS) data from 1790 to the present. For the period 1850 to 1940, IPUMS includes 100% of individuals in the decennial censuses. For the period 1950 to 2010, we have public use samples of decennial censuses. For the period since 2000, IPUMS provides annual ACS public use samples. The available information in the censuses and ACS varies by year, but generally includes basic housing data (type...

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