There are now half a million centenarians in the world, and their num-ber is projected to grow eightfold by 2050 (Stepler 2016). Inevitably, longerhuman lifespans, especially at older ages, are reshaping how we must thinkabout work, planning, saving, investing, insuring, and financing our liveli-hoods in retirement. This volume offers a perspective on how public-privatepartnerships (PPPs) can p…