People who moved from one city or town to another in Canada between May 16, 2001 and May 16, 2006 are "internal migrants". People who came from another country between May 16, 2001 and May 16, 2006, to live in Canada, are "external migrants". The components of migration divide "migrants" into three categories based on whether:
Derived variable referring to the types of migrants.
Intraprovincial migrants are movers who, on Census Day, were living in a different census subdivision than the one in which they resided five years earlier, in the same province.
Interprovincial migrants are movers who, on Census Day were living in a different census subdivision than the one in which they resided five years earlier, in a different province.
External migrants are movers who were living in Canada on Census Day, but who were living outside Canada five years earlier.
More information on Mobility 5: Components of migration (in- and out-)