The former Ministry of Construction (MOC) was recently replaced by the Ministry of Housing and Urban-Rural Development (MOHURD) to be in charge of planning administration at national level. The provincial Construction.
Administrations/Commissions and Planning Bureaus are in charge of planning administration at provincial levels. The Municipal and County Planning Bureaus are in charge of planning administration at local levels.
In China, planning depends on timely and accurate data. In China, there are official statistics from National Bureau of Statistics, and from various departments of local government. There are also various sources of big data from ICT users, such as telephone signals, transportation departments, mobile internet apps, and etc.