Immigrants Assimmilating at a Faster Rate than Previous Generations

Immigrants of the past quarter-century have been assimilating in the United States at a notably faster rate than did previous generations, according to a study released May 13.

The study, sponsored by the Manhattan Institute, a New York think tank, used census and other data to devise an assimilation index to measure the degree of similarity between the United States' foreign-born and native-born populations. These included civic factors, such as rates of U.S. citizenship and service in the military; economic factors, such as earnings and rates of homeownership; and cultural factors, such as English ability and degree of intermarriage with U.S. citizens. The higher the number on a 100-point index, the more an immigrant resembled a U.S. citizen.

In general, the longer an immigrant lives in the United States, the more characteristics of native citizens he or she tends to take on, said Jacob L. Vigdor, a professor at Duke University and author of the study. During periods of intense immigration, such as from 1870 to 1920, or during the immigration wave that began in the 1970s, new arrivals tend to drag down the average assimilation index of the foreign-born population as a whole.

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