These foreigners have acquired resident status in the country where they currently reside by way of one the following: 1. a lucrative employment contract with a major company that is in a position to hire expatriates; 2. business class immigration, a program offered by countries whereby governments recruit potential immigrants with adequate resources for investment or business start-up. Whichever way they got the residence status, they are definitely individuals of an income that is high enough to permit them to dwell in affluent districts or luxury residential buildings. Source: organizations set-up for expatriates