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Research Guides@Tufts

Sociology 190: Immigration: Public Opinion, Politics & Media

Stock Data

Stock data is used to estimate the number of individuals of a certain population of interest at a specific point in time.

For example: The number of naturalized Colombian immigrants residing in the U.S as of July 2013.


Sources of Stock data

American Community Survey
Annual survey conducted by the census bureau. Replaced the Decennial Census long form in 2000. Since 2007 you can find the ACS with multiyear sampling estimates. More information
Coverage/Frequency: 2000-Present; every year

Social ExplorerInteractive visualization tool that utilizes the decennial censuses and American Community Survey data, includes download.
American Fact FinderAccess to 2000 and 2010 decennial censuses, the American Community Survey, and the Economic Census.
IPUMS (microdata): More than fifty high-precision microdata samples of the American population drawn from fifteen federal censuses and from the American Community Surveys.

Decennial Census
Composed of short form (basic) and long form (socio-economic). Long form replaced by ACS in 2010.
Coverage/Frequency: 1790-2010; every 10 years
Access: Social ExplorerAmerican Fact FinderIPUMS (microdata) 

Special access:  IPUMS Microdata prepared by Professor Marrow

Estimates of the Unauthorized Immigrant Population Resident in the United States: January 2011- Department of Homeland Security (DHS)​
Report providing estimates of the size of the unauthorized immigrant population residing in the U.S
Coverage/Frequency: 2000-2011 

Flow Data

Flow data is an estimate of change (addition/subtraction) of a population of interest at a specified period of time.

For example: The estimate of the number of persons arriving to the U.S from Vietnam for the years of 1965-1975.


Sources of Flow Data

Yearbook of Immigration Statistics- Department of Homeland Security (DHS)
Admissions on permanent basis, temporary basis, asylum or refugee status, naturalizations. Replaced the functions of the INS in 2001
Coverage/Frequency: 2002-Present; Every fiscal year

Statistical Yearbook of the Immigration and Naturalization Service (INS)
Admissions on permanent basis, temporary basis, asylum or refugee status, naturalizations. Pre-DHS. 
Coverage/Frequency: ​1996-2001; Every fiscal year
Older coverage: HathiTrust Digital Library (1978,1980-1984,1987, 1995, 1997, 1998)

More Helpful Data Sources, Organizations and Policy Reports


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Wes Fiorentino
Wes is on leave for the Fall Semester. For research support or instruction please contact Ari Gofman for Psychology or Elliot Brandow for Child Study & Human Development, Education, Sociology, and Anthropology.