This project aims at investigating the development of old-age health capital from an international perspective. It will identify life course factors associated with cognitive and physical performance and the prevalence of noncommunicable diseases of the 50+ population in Europe, the United States, and Asia using several comparable national panel surveys on health and aging. The factors are characteristics on the individual, regional/neighborhood, and country level and are collected at different points during the life course. Results gained by this research project will be very important for policy maker as societies across the world face an aging population. Therefore, maintaining active older adults with high cognitive and physical capacities and intervene at proper time will be an important objective.