The Census 2000 Migration Data DVD consists of 121 ASCII text files, presenting mobility/migration data for various levels of geography and demographic, family, or household characteristics. The first set of files contains gross and net migration data for various levels of geography and selected characteristics. The second set of files consists of county-to-county migration flow data for counties and equivalent entities and some minor civil divisions (MCDs) by selected characteristics. Limited two-way cross tabulations by selected characteristics for county-to-county migration flows are also provided.