This entity would record all different type of residence status available in a country.

In the case of Singapore it would be:
1) Permanent Resident 1
2) Permanent Resident 2
3) Permanent Resident 3
4) Citizen
5) Foreign Worker

This status would differ when used in different countries.

This attribute would hold the identity for the residence status type. It also holds the primary key for the ResidenceType table.
Example: Local / PR2 / FW / EP etc

This attribute would holds the long name or description for the residence type.
Example: Citizen / Permanent Resident Year2 / Foreign Worker / Employment Pass etc