Healthline (COPD: Facts, Statistics, and You) Healthline 3.5 million Americans prevalence Healthline (COPD: Facts, Statistics, and You) 16 million Healthline, February 18, 2015 close to nine million Americans 16 million one in five Healthline (COPD by the Numbers: Facts, Statistics, and You) Healthline 9 million double the rate 10 million Americans had chronic bronchitis in 2011 Healthline, February 18, 2015