Many of the economies that have been the principal drivers of global growth over the past 30 years are going to experience a large increase of retirees in the coming decades. What are the public policy initiatives that can spur and accelerate the private sector products and services needed to meet the challenges of this broad demographic trend? Is a rise in labour productivity sufficient to compensate for a proportional rise in dependents? Should adjustments to the retirement age be made? What other measures are needed?