1990 Census of Population and Housing - IPUMS Subset

United States, 1990

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Reference ID

USA_1990_PHC_v01_M_v7.5_A_IPUMS

Producer(s)

U.S. Census Bureau, IPUMS

Metadata

Documentation in PDF DDI/XML JSON

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Created on

Sep 03, 2025

Last modified

Sep 03, 2025

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Citizenship (CITIZEN)

Data file: USA1990_PHC-P-H.dat

Overview

Type: Discrete

Decimal: 0

Start: 98

End: 98

Width: 1

Range: -

Format: Numeric

Questions and instructions

Categories

Value	Category
1	Citizen, not specified
2	Citizen by birth
3	Naturalized citizen
4	Not a citizen
5	Without citizenship, stateless
8	Unknown
9	NIU (not in universe)

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Description

Definition

CITIZEN indicates the person's citizenship status within the country in which they were enumerated.

concept

Concept

var_concept.title	Vocabulary
Nativity and Birthplace Variables -- PERSON	IPUMS

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