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[A study of the demographic behavior of the foreign population: methodological aspects and foreigners' experiences].


 The author discusses two categories of demographic measurement that can be used to study the distinguishing characteristics of a country's foreign population. The first category pertains to data that can be obtained from censuses concerning structural characteristics such as age, marital status, legitimacy, infant mortality, and place of birth. The second category concerns data that can be derived from various other sources and includes such items as life expectancy and general fertility rate. The author also examines the usefulness of these methods for studying the foreign population in Italy given experiences with the methods used in other countries.
