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USBORN
Born in the United States

Codes and Frequencies



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Description

USBORN indicates whether the respondent was born in the United States (i.e., in one of the 50 states or in the District of Columbia). To collect this information, interviewers asked, "Where were you born?" Responses were recoded in the original NHIS public use files into the categories included in this variable.

Related Variables 

REGIONBR provides additional detail on the place of birth of respondents born outside the United States. In REGIONBR, respondents' reported countries of birth were recoded in the original NHIS public use files into 12 broad regional categories.

Comparability

Persons born in any of the 50 states or in the District of Columbia are consistently identified (code 20) in USBORN. For 1997-2001, all persons born outside these areas are grouped together. Beginning in 2002, the data distinguish between persons born outside the United States but within a U.S. territory (including Puerto Rico, Guam, and other outlying territories of the United States) and those born elsewhere outside the United States.

To increase consistency over time, IPUMS NHIS uses a composite coding system for this variable.

 

The first digit divides the population dichotomously into those born outside the United States (first digit of "1") and those born inside the United States (first digit of "2"). By using only the first digit, users can carry out comparable analyses for 1997 forward. The second digit distinguishes between those born in a U.S. territory from those born elsewhere outside the United States and preserves detail only available for 2002 forward.

Universe

  • 1997-2018: All persons.

Availability

  • 1997-2018

Weights