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Migration/Geographic Mobility User Notes


ASEC User Note: Redesign of the CPS ASEC 5-year Detailed Table Package for Geographic Mobility: 2020
Some revisions were made for the 2020 5-year Geographic Mobility table package.


ASEC User Note: Householder table titles and definitions, clarification of migration universes (one- and five-year)
Corrections and clarifications regarding householder table titles and definitions, clarification of migration universes.


ASEC User Note: Redesign of the Geographic Mobility Table Package: 2021
Some revisions were made for the 2021 Geographic Mobility table package.


ASEC User Note: Updates to Reasons for Moving Categories: 2020
Updates to the reason for moving categories included the addition of a new category, “relationship with unmarried partner (boy/girlfriend, fiancé, etc.).”


ASEC User Note: Update and Clarification on Poverty Universe: 2020
As of 2020, tables that reference poverty status include clarification about the poverty universe.


ASEC User Note: Geographic Mobility Table Package Redesign: 2020 1-yr
Some revisions were made for the 2020 Geographic Mobility table package.


ASEC User Note: Clarification in the 2019 Metropolitan Migration Tables
“Principal cities” and “balances of principal cities” refer to geographies within metropolitan areas. Clarifying language has been added to the 2019 tables.


ASEC User Note: Income Categories Collapsed as of 2019
As of the 2019 migration table package, some income categories have been collapsed. All new categories are combinations of categories included in 2018.


ASEC User Note: Data Processing Changes: 2019 CPS ASEC
The 2019 CPS ASEC Migration data products include recent CPS ASEC data processing changes.


ASEC User Note: Redesign of the Geographic Mobility Table Package: 2019
Some revisions were made for the 2019 Geographic Mobility table package.


ASEC User Note: Migration Question Wording Change in 2004
Before 2004, the question asked about residence on March 1 of the previous year. As of 2004, it asked about residence one year ago.


ASEC User Note: 2014 CPS ASEC Sample
The source of data for the 2014 tables is the CPS ASEC sample of 98,000 addresses.


ASEC User Note: Migration Questions 1971 through 1980
The 1-year geographic mobility question was not asked from 1972 to 1975 and from 1977 to 1980.


ASEC User Note: Distance of Move Estimates from 2003 to 2005
A change in processing resulted in a shift in the distribution of movers and distance moved between the 2002-2003 to 2004-2005 periods.


ASEC User Note: Potential Display Issue, Reason for Move: 2012-2015
A potential display issue in the data collection instrument could have introduced response bias during the 2012-2015 CPS-ASEC data collection.


ASEC User Note: Reason for Move Write-In Expansion Recoding Updates
This is a revised version of a user note originally published in 2016. It includes some updates and corrections since the original user note.


ASEC User Note: Revised: Reason for Move Write-In Expansion
This is a revised version of a user note originally published in 2016. It includes some updates and corrections since the original user note.


ASEC User Note: Corrections to CBSA Status: 2018
The 2018 CPS-ASEC data include corrections to core-based statistical area (CBSA) status that were not made to some earlier data.


ASEC User Note: Changes to Some CBSA Status Descriptions: 2018
The 2018 tables describe balances of metropolitan areas instead of suburbs.


ASEC User Note: College Dormitories Removed from CPS Sample: 2018
As of the 2018 CPS-ASEC, college and university dormitories are no longer included in the sample.


ASEC User Note: Redesign of Geographic Mobility Table Package: 2018
The number of tables for the 2018 Geographic Mobility table package was reduced, and some revisions were made.


ASEC User Note: Redesign of the CPS ASEC Detailed Table Package: 2017
The number of tables for the 2017 Geographical Mobility package was reduced.


ASEC User Note: 2015 CPS ASEC 5-year Omission of Metro/Nonmetro Tables
For the 2015 CPS ASEC 5-year geographical mobility package, the metropolitan mobility detailed tables are not included.


ASEC User Note: Redesign of the CPS ASEC 5-year 2015 Detailed Tables
The number of tables for the 2015 5-year Geographical Mobility package was reduced.


ASEC User Note: Replaced: Reason for Move Write-In Expansion
This user note has been replaced. Please see the revised version of the user note for more information.


ASEC User Note: 2015 CPS ASEC Omission of Metro/Nonmetro Tables
For the 2015 CPS ASEC geographical mobility package, the metropolitan mobility detailed tables 14 through 16 are not included.


ASEC User Note: Redesign of the 2015 CPS ASEC Detailed Table Package
The Journey to Work and Migration Statistics Branch has produced annual tables on geographical mobility since 1947.


CPS User Note: 2014 CPS ASEC Omission of Table 5, 10, 20, and 22
The 2014 CPS ASEC included redesigned questions for income and health insurance coverage.


CPS User Note: 2012 CPS ASEC Foreclosure/Eviction Reason
In 2011, a foreclosure/eviction category was created from write-in responses to the reason for move question in the ASEC of the CPS.


CPS User Note: Geographic Mobility Table Package Redesign: 2010 5-year
Beginning in 1975, the Journey to Work and Migration Branch produced mid-decade tables, years ending in 5, containing 5-year geographical mobility data.


ACS Migration Flow User Note: Omission of MCD Flows 2009 5-year ACS
The 2005-2009 5-year Migration Flow tables, March 28, 2012, don’t included records for movers among minor civil divisions within the same county.


CPS User Note: Redesign of the 2007 CPS ASEC Detailed Table Package
The Journey to Work and Migration Branch has produced annual tables on geographical mobility since 1947.


CPS User Note: 2005 CPS ASEC Omission of Metro/Nonmetro Tables
For the 2005 CPS ASEC geographical mobility package, the metropolitan mobility detailed tables 22 through 29 are not included.


CPS User Note: 2004 CPS ASEC Omission of Metro/Nonmetro Tables
For the 2004 CPS ASEC geographical mobility package, the metropolitan mobility detailed tables 22 through 29 are not included.

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