MMP Core Files

PERS

A person-level file that provides general demographic information and brief migration measures for each member of a surveyed household, including children of the head of household not presently residing with their parents. Data include age, sex, relationship to head of household, marital status, current economic indicators, and characteristics of the first and last trips made to the US/other Mexican locations. Starting community 110, these data also include characteristics of the first and last trips made to Canada. Starting community 115, these file includes health variables for the household head and the spouse only.

MIG

A person-level file containing details of all border crossings (up to 25) by each head of household, as well as measures of economic and social activity during the last U.S. visit. Data include the year, crossing location, documentation used, costs, method and whether deported for each border crossing.

MIGOTHER

A person-level file containing details of all border crossings (up to 10) by another person within a household whenever the household head is not a migrant. This file contains measures of economic and social activity during the last U.S. visit. Data include the year, crossing location, documentation used, costs, method and whether deported for each border crossing. Also, measures of economic and social resources during the most recent U.S. trip are included. Data are available starting community #120.

CNMIG

A person-level file containing details of first and last trips to Canada by the household head, as well as measures of economic and social activity during the most recent trip to Canada. Data are available starting community #110.

HOUSE

A household-level file containing information on household composition, economic and migratory activity of household members, land ownership and usage, home/real estate ownership and amenities, vehicle and livestock ownership and financing, and business ownership and operation.

LIFE

An event-history file detailing the labor and family histories of each head of household, for each year since birth until the year of the survey. These data are supplemented by various time-constant variables gleaned from the previous four data files.

SPOUSE

An event-history file detailing the labor histories of each spouse of a household head, for each year since birth until the year of the survey.

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