We have created this page to help you figure out how to use these statistics. The guidance may explain which data sources to use and how to make comparisons. Related sites may offer further information.
ACS County-to-County Migration Flows Products Tutorial
The U.S. Census Bureau is releasing new data and tools that allow users to examine migration patterns of people.
About Migration and Place of Birth
Data on migration and place of birth are available for the U.S., states, metro areas, and more specific geographical areas that meet minimum population sizes.
Calculating Migration Expectancy Using ACS Data
The U.S. Census Bureau estimates the average number of moves people make in a lifetime using age specific mobility rates.
Comparing ACS Data
Learn more about comparing the current American Community Survey estimates with the previous year, 2010 Census, and 2000 Census by topic.
County-to-County Migration Flows
This page gives background information for the ACS county-to-county migration flow products.
Metro-to-Metro Migration Flows
This page gives background information for the ACS metro-to-metro migration flow products.
Migration/Geographic Mobility User Notes
User notes give caution, discuss weighting and estimation, explain variables, and so on.
State of Residence by Place of Birth Flows - ACS and PRCS
The American Community Survey and the Puerto Rico Community Survey ask respondents the state, U.S. Island Area, or foreign country where they were born.
State of Residence by Place of Birth Flows - Decennial
State or foreign country of birth was asked on each decennial censuses from 1850 to 2000.
State-to-State Migration Flows
This page gives background information for the ACS state-to-state migration flow products.