While demographic change has been an ongoing process in Canada, labour market implications of an aging population will become more acute in coming years. This article discusses the anticipated slowing in the growth of trend labour input over the coming decades with the aging of the baby boomers, declining fertility rates, and the stabilization of the labour force attachment of women. As the pool of labour shrinks, employers and governments will be looking for ways to address barriers to continued labour force participation and firms will have a greater incentive to find ways of improving labour productivity.