Produced by the National Institute on Aging of the U.S. National Insitutes of Health, the Forward of this important work reads: “…the significance of population aging and its global implications have yet to be fully appreciated. There is a need to raise awareness …[of] the importance of rigorous cross-national scientific research and policy dialogue that will help us address the challenges and opportunities of an aging world…finding ways to reduce aging-related disability should become national and global priorities.”