Since 1990, Penang’ net migration has always been positive, indicating that Penang has attracted migrants from other states in Malaysia. The lowest number of 2% worked for the agricultural sector with the rest of the labour force in the services sector, being particularly high in the wholesale and retail trade at about 15%. Significant employers in the services sector are hotel and restaurants (8.40%), transport, storage and communication (5.80%), public administration and defence, and compulsory social security (4.80%), and education (4.60%). Other major employment sectors are health and social work (3.50%), other community, social and personal services (3.00%), private households with employed persons (2.80%), financial intermediation (2.20%), and electricity, gas and water supply (0.50%) (NHERI, 2010).