Written by leading thinkers in the field, this text provides an in-depth analysis of the economic and policy issues associated with individual and population aging. The text has a strong policy focus based on demographic and economic analysis, making this book both accessible and challenging to readers with limited mathematical background. It is written by leading thinkers in the field of the economics of aging. It provides a comprehensive international picture of the consequences of aging. It engages the reader through side boxes, relevant website addresses, and practice questions.