Planning Areas of Singapore increasingly adopted these boundaries for their administrative purposes. For example, the Statistics Department of Singapore published its 2000 census data based on planning area boundaries for the first time, compared to using census divisions based on electoral boundaries for previous exercises. The Singapore Police Force's (SPF) neighbourhood police centres have jurisdiction boundaries based on planning area boundaries when they were officially gazetted in 1999, as opposed to electoral divisions under the previous neighbourhood Police Post system. Planning Areas are further subdivided into subzones for statistical purposes. <nowiki>*</nowiki> = Place names attested to be of Malay origin and referred to similarly
Subdivided flat people live in subdivided flats or other similarly undesirable conditions. With reference to the study by the Society for Community Organisation, people living in subdivided flats are mainly unemployed citizens, low income family, new immigrants, etc. The average size of a subdivided flat is found to be 30 square feet per person. The insufficient supply of public housing is one of the important driving forces leading to the appearance of subdivided units. In accordance with the grassroots housing rental price research report 2011 released by the Society for Communication Organization, the government lacks future evaluation of the housing demand in