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. In addition, starting in community 162, we gather information about U.S. born children to Mexican parents who have returned to Mexico.
MIG
A person-level file containing details of all border crossings
(up to 30) 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. Starting in 2018, there is a set of questions regarding temporary workers.
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. Starting in 2018, there is a set of questions regarding temporary workers.
CNMIG
A person-level file containing details of first and last trips
to Canada by the household head or any other migrat. We gather measures of
economic and social activity during the most recent trip
to Canada. Data are available starting community #110. In 2018, more detailed questions regarding temporary workers were added.
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. In 2017, a set of questions regarding violence perception were included.
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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