Manpower predicting is a strategic managerial practice that construction organizations should carry out to ensure appropriate number of workforces. To date, many studies have predicted the manpower demand of construction industry in China using methods like gray model and labor productivity model. This paper, however, first develops a mathematical model, combining distributed lag model with labor multiplier approach to improve the accuracy of manpower demand forecast in Jiangsu Province of China. Deriving data from National Bureau of Statistics of China and some project managers, the manpower predicting model can be used as a managerial tool to forecast future labor demand so that optimal number of workforces can be reached.
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