PSS Agency:
PSA
(Identified by the Interagency Committee on Migration Statistics (IACMS) as possible agency/agencies that can provide information on the concept/s)
Definition:
A person who enters one geographic or political area (region, province, city/municipality) from another to take up usual residence during a specified period of observation for a reason such as economic, social, political and cultural.
Formula:

Source:
Siegel and Swanson
(2004) definition localized to Philippine setting
PSA Board Resolution:
PSA Board Resolution No. 08
Series of 2017