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DATANUM
Dataset number

Availability
Colombia: 1964, 1973, 1985, 1993
France: 1962, 1968, 1975, 1982, 1990
Kenya: 1989, 1999
Mexico: 1960, 1970, 1990, 2000
United States: 1960, 1970, 1980, 1990
Vietnam: 1989, 1999

Universe
All households.


Description
DATANUM identifies the particular sample from which the case is drawn for a given country-year. Its purpose is to distinguish among samples when more than one is available for a particular country and year. At this time IPUMS-International contains only one sample per country-year. The U.S. 1970-1990 samples are the only ones to have values other than "1". These values correspond to the DATANUM codes assigned in the IPUMS-USA database. Currently, IPUMS-International contains the 1970 Form 2 Metro Sample, the 1980 1% Metro sample, and the 1990 1% Metro sample.

Comparability - General
This variable is fully comparable across all samples.