This study was to delve into how to construct exclusive organizational system for effective manpower forecasting by case-studying labor market forecasting systems of Canada, Netherlands, and Germany under the assumption that the system can be more effective when supportive administration system and forecasting/research activities are organized within a collaborative network. In addition, desirable infrastructure of relevant statistical data sources and between-organizations networks was defined as one of the most significant factors to organize the successful manpower forecasting system. The author visited to interview the experts of labor market forecasting organizations of Canada, Netherlands, and Germany as well as collecting data sources from the visiting sites to reflect on this study. The field analysis focused its perspective on organizational features and collaborative infrastructure system. The study applied consistent analysis frame to the three national cases but attempted to emphasize distinguished characteristics revealed at each case. Based on the results of the case study, this study suggested a desirable organizational model in exclusively charge of manpower forecasting of Korea. This study also provided research evidence-based advice to effectively support the exclusive forecasting organization model at the end.