Contains the mark box answer to the question on the 2011 Census forms which asks, Where does the person usually live? In cases where a person did not state where they usually live, UAICP and 'Place of Usual Residence' (PURP) are imputed.
See also Imputation Flag for Usual Residence (IFPURP).
This variable, when used with Usual Address One Year Ago Indicator and Usual Address Five Years Ago Indicator (UAI1P and UAI5P), and also with place of usual residence (PURP) data, shows migration patterns.