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The Children of Immigrants Longitudinal Study (CILS)


CILS-III Completed
The Center announces that the third phase of the Children of Immigrants Longitudinal Study (CILS) has been successfully completed. As in the preceding two surveys, fieldwork for the study focused on the metropolitan areas of Miami/Ft. Lauderdale and San Diego, where samples totaling 5,262 second generation youths were originally interviewed in 1992-93. The CMD-based team was responsible for the South Florida follow-up, while a team under the direction of Professor Ruben G. Rumbaut of the University of California-Irvine (UCI) conducted the Southern California survey. CILS is the largest study conducted so far on the immigrant second generation, the U.S.-born or U.S.-reared children of foreign-born parents. One in five of American children under age 18 belong to this group, which is also the fastest growing segment of this young population. The original survey was conducted when children were in the 8th and 9th grades, with an average age of 14. The sample, which included second-generation youths from 77 different nationalities, was followed in time and re-interviewed three years later, at the time of high school graduation. Simultaneously, a random sample of 50 percent of their immigrant parents was also interviewed. Results from these surveys have been reported in numerous publications, including
Legacies: The Story of the Immigrant Second Generation, co-authored by Portes and Rumbaut, which presents the principal findings of the study up to that point.

The data from Waves I and II of CILS, including parental interviews, are available here. The just-completed second follow-up traced the sample into early adulthood, average age 24, in order to investigate key factual outcomes of the second generation adaptation process, including education, employment and occupational status, income, marital status and ethnicity of spouse, delinquency and incarceration, civic and political participation, and ethnic and racial identities. This follow-up survey succeeded in tracing and retrieving information from 3,564 respondents, representing 68 percent of the original sample and 83 percent of the first follow-up. Professors Alejandro Portes and Ruben G. Rumbaut, Principal Investigators, received a grant from the Russell Sage Foundation to continue this ten-year-long panel study. Results of the survey are being analyzed by teams of researchers based at CMD and UCI. Dr. William Haller, a CMD researcher, directed the South Florida follow-up survey and will participate in its analysis.

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Department of Sociology

Woodrow Wilson School

Princeton University