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

Raw Census Microdata from IPUMS

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

IPUMS Data Structure

Household record(shaded) followedby a person recordfor each member of the household

Relationship

AgeSexRace

BirthplaceMother’s birthplace

Occupation

For each type ofrecord, columns correspond tospecific variables

The Advantages of Microdata

Combination of all of a person’s characteristics

Characteristics of everyone with whom a person lived

Freedom to make any table you need

Freedom to make models examining multivariaterelationships

Basically, you are only limited by the questions asked in the particular census

For online IPUMS analysis, go to:

http://usa.ipums.org/usa/sda/

http://umn.edu/~ruggles/hist3797