Documentation


The MMP offers a series of documents to complement the MMP Database. The codebooks contain the list of variables and coding scheme used in each individual file. The appendices provide further supplementary information such as year of survey, state and place codes, etc. The questionnaires are the instruments developed and used by the MMP to gather its data.

Codebooks MMP174

The following codebooks are offered to accompany each data file available through the MMP website. All codebooks are updated with each new data release (unless otherwise noted). Release date: February 2021.

Household Level Questionnaires (Ethnosurveys)

Since its creation, the MMP has used an extensive ethnosurvey to collect its data. The following documents correspond to the six versions of the MMP survey in the same order they were used during fieldwork. Overall, the survey's main structure and subject themes have remained unaltered to assure the study's continuity. However, a few changes have been incorporated over time to allow for the study of emerging topics. These changes consist of a few newly-added questions, as well as questions that were removed from the survey for various reasons.

Read the study design

Codebooks

FileDescription

CNMIG

(en

/

es)
Codes for CNMIG file.

HOUSE

(en

/

es)
Codes for HOUSE file.

LIFE

(en

/

es)
Codes for LIFE file.

MIG-OTHER

(en

/

es)
Codes for MIG-OTHER file.

MIG

(en

/

es)
Codes for MIG file.

PERS

(en

/

es)
Codes for PERS file.

SPOUSE

(en

/

es)
Codes for SPOUSE file.

Community Level Supplementary Files

FileDescription

COMMUN

(en

/

es)
Codes for COMMUN file.

PRATIO

(en

/

es)
Codes for annual migration prevalence ratio.

State Level Supplementary Files

FileDescription

ENVIRONS

(en

/

es)
Climate distribution (in percentage) according to classification for each state in 2003 Source: INEGI – Anuarios Estadisticos de los Estados, 2004

National Level Supplementary Files

FileDescription

Nat-Hist

(en

/

es)
National-level supplementary file, variable list and coding.

Nat-Year

(en

/

es)
National-level supplementary file, variable list and coding.

Appendices

FileDescription

Appendix A

(en

/

es)
Community Survey Year Codes

Appendix B

(en

/

es)
Place Codes in Mexico and the United States

Appendix C

(en

/

es)
State Codes in Mexico and the United States

Appendix D

(en

/

es)
Occupation Codes (English)

Appendix E

(en

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es)
Computation of Total U.S. Experience (English)

Appendix F

(en

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es)
Farm Codes in Canada

Appendix G

(en

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es)
Community Questionnaire

Appendix H

(en

/

es)
MMP Weights

Questionnaires

FileDescriptionField Season

Ethnosurvey 9.2

(es)
Survey applied to communities surveyed in 2024 to date (i.e. 176 onwards). 2024

Ethnosurvey 9.1

(es)
Survey applied to Guatemala survey in 2021 (i.e. 175).2021

Ethnosurvey 1

(es)
Survey applied to communities interviewed from 1987 to 1997, and in 19821987 - 1997

Ethnosurvey 2

(en

/

es)
Survey applied to communities interviewed on 1998 and 19991998 - 1999

Ethnosurvey 3

(en

/

es)
Survey applied to communities interviewed from 2000 to 20042000 - 2004

Ethnosurvey 5

(en

/

es)
Survey applied to communities surveyed from 2007 to 2011 (i.e. 119 to 134).2007 - 2011

Ethnosurvey 4

(en

/

es)
Survey applied to communities surveyed from 2005 to 2007 (i.e. 110 to 118).2005 - 2007

Ethnosurvey 6

(en

/

es)
Survey applied to communities surveyed from 2012 to date (i.e. 135 to 161).2012 to 2016

Ethnosurvey 7

(en

/

es)
Survey applied to communities surveyed in 2017 (i.e. 162 to 168). 2017

Ethnosurvey 8

(en

/

es)
Survey applied to communities surveyed in 2018 to 2019 (i.e. 169-174).2018-2019

Interviewer Manual

(en

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es)
Interviewer manual for field work.2018 (2012 English)

Supervisor's Manual

(en

/

es)
Manual for field work.2018

Survey comparisons, versions 1 and 2

(en

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es)
Comparison of ethnosurvey versions 1 and 2.1998

Survey comparisons versions 2 and 3

(en

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es)
Comparison of ethnosurveys versions 2 and 3.2000

Survey comparisons, versions 3 and 4

(en

/

es)
Comparison of ethnosurvey versions 3 and 4.2005