SHARE, the Survey of Health, Ageing and Retirement in Europe is a multidisciplinary longitudinal survey for the study of the social, economic and health situation of people aged 50 and older in Europe. In 2004, it started collecting representative data of the generation 50+ in eleven countries. Today, 380,000 in-depth interviews with 140,000 people from 27 European countries and Israel have been conducted. The data collected by SHARE are an important instrument for research on the demographic change in Europe and for evidence-based policymaking. SHARE is also embedded in a global network of harmonized sister studies. Researchers from around the globe can access the data free of charge.