The percentage share of apartment relative to entire housing is 47.7% in 2000 and the apartment has been the most preferred housing type for the middle income class. The purposes of this study are to analyse the characteristics of the spread of apartment in Korea. The massive provision of apartments could be considered as the results of the following reasons: transformation of population composition, family type, urbanization and suburbanization, the growth of middle income class, and the change of buyer's preferences.
Major subjects surrounding the provision of apartments are government, firms, and consumer. The advantage of preferring apartments are efficiency of housing policy, efficiency of production, and efficiency of investment and convenience of livelihood. The other factors of apartment preference are better security and convenient housing maintenance.