https://www.jmir.org/2021/4/e27045
Background: Population mobility is closely associated with COVID-19 transmission, and it could be used as a proximal indicator to predict future outbreaks,...
internet researchjournalmedicalspatialtemporal
https://www.census.gov/library/publications/1969/demo/p20-193.html
This report analyzes migration in the U.S. between 1968 and 1969 using the Current Population Survey and provides detailed tables.
u smobilitypopulationmarch