Today the average lifespan in the US approaches 80 years old. However, the average health span—the number of healthy years we live—is much shorter. In the US it is 63 years old. This means we are living much longer than we are healthy. Disparity in health span is substantial in the US. The most privileged have a health span that approaches their lifespan. We must ensure that everyone has the opportunity to match their health span to their lifespan. Offering realistic guide posts on what to expect with normal aging. Crucial to put aging well at the center of policy internationally to harness the power of older people and move forward globally.