By 2030, 40.5% of the U.S. population is projected to have some form of cardiovascular disease.
Heidenreich P, Trogdon J, Khaviou O, Butler J, et al. Forecasting the Future of Cardiovascular Disease in the United States: A policy statement from the American Heart Association. Circ. 2011; 123: 933-44. http://circ.ahajournals.org/content/early/2011/01/24/CIR.0b013e31820a55f5.abstract