The disease affects between 1 per 1000 and 1 per 250,000 adults. The disease is more common in women and increases as people age. It became less common since the 1950s, with the introduction of antibiotics. It is more common among certain ethnic groups such as indigenous people. An estimated 350,000 to 500,000 adults have<unk>  in the United States. The disease is more common in women and in elderly individuals over the age of 65. Specifically, children of the indigenous populations of Australia, Alaska, Canada and New Zealand have significantly higher rates than other populations. Overall, a shortage of data exists concerning the epidemiology of<unk>  in Asia, Africa, and South America. The exact rates of<unk>  are often unclear as the symptoms are variable. Rates of disease appeared to have increased in the United States between 2000 and 2007.
Bronchiectasis
Chronic obstructive pulmonary disease
Plastic bronchitis
Tracheobronchomalacia
Bronchitis kettle
Asbestosis
Acute bronchitis
Dust pneumonia