This Manual is an aid to demographers and economists to analyze levels and past trends of labour supply and demand and prepare projections for 5-10-year period. Projection techniques include extrapolations of past trends and more complex methods which take into account major factors affecting labour supply and demand. The applicability, advantages and drawbacks of each method are described with particular attention to data availability issues in developing countries. Manual V is related to other Manuals in this cluster, as well as to selected Manuals of the cluster Demographic estimation and Demographic models.