This report summarizes what is now known about smoking among women, including patterns and trends in smoking habits, factors associated with starting to smoke and continuing to smoke, the consequences of smoking on women’s health and interventions for ending and prevention. What the report also makes clear is how the tobacco industry has historically and contemporarily created marketing specifically targeted at women. Smoking is the leading known cause of preventable death and disease among women. In 2000, far more women died of lung cancer than of breast cancer. A number of things need to be acted on to control the epidemic of smoking and smoking-related diseases among women throughout the world.