This book focuses on centenarians - people aged 100 and over - one of the fastest growing segments of the population in most developed countries. Drawing on official international and national data, it describes the longevity phenomenon and profiles socio-demographic, health and living conditions of long-lived people in 28 European countries. By comparing and synthesizing current information according to country, the book helps fill the knowledge gap regarding Europe's centenarian population. Providing insights to help stakeholders better predict, plan for and respond to the challenges of extreme longevity, it is a valuable resource for students and academics in the field of population aging, gerontology and geriatrics, as well as social scientists and policymakers.