At a glance
- The National Center for Health Statistics Data Query System features estimates of chronic obstructive pulmonary disease (COPD) diagnoses.
- These estimates are based on data from the National Health Interview Survey.

COPD, emphysema, chronic bronchitis
Chronic obstructive pulmonary disease (COPD) is a group of diseases that block airflow to and from the lungs and cause breathing-related problems. COPD includes emphysema and chronic bronchitis.
COPD, emphysema, chronic bronchitis
Sources
The National Health Interview Survey provides DQS with data about this topic from household interviews.