2017 Archived National Asthma Data

These tables feature the national and state statistics on the burden of asthma among children and adults previously published on the Most Recent Asthma Data website. The data are from national and state surveillance systems administered by the Centers for Disease Control and Prevention (CDC). Links to sources are provided with each table to assist with finding additional information on the data and relevant tables and reports.

Archived National Data

Prevalence Asthma Attacks Health Care Use Mortality

National
Current Asthma^* Prevalence (2017)

National Current Asthma* Prevalence (2017)
Characteristic^**	Number with Current Asthma (in thousands)	Percent with Current Asthma
Total	25,191	7.9
Child (Age <18 years)	6,182	8.4
Adult (Age 18+ years)	19,009	7.7
All Age Groups
0–4 years	869	4.4
5–14 years	4,010	9.7
15–19 years	2,020	9.4
20–24 years	1,498	7.3
25–34 years	3,311	7.6
35–64 years	10,036	8.1
65+ years	3,447	7.0
Child Age Group
0–4 years	869	4.4
5–11 years	2,548	8.8
12–17 years	2,765	11.1
Young Teens (12–14 years)	1,462	11.8
Teenagers (15–17 years)	1,304	10.4
Adolescents (11–21 years)	4,460	9.7
Young Adults (22–39 years)	5,727	7.4
Sex
Males	10,035	6.4
Boys (Age <18 years)	3,569	9.5
Men (Age 18+ years)	6,466	5.4
Females	15,156	9.3
Girls (Age <18 years)	2,613	7.3
Women (Age 18+ years)	12,544	9.8
Race/Ethnicity
White NH	15,718	8.1
Child (Age <18 years)	2,918	7.7
Adult (Age 18+ years)	12,800	8.1
Black NH	3,910	10.1
Child (Age <18 years)	1,231	12.6
Adult (Age 18+ years)	2,679	9.2
Other NH	1,871	6.7
Child (Age <18 years)	617	8.2
Adult (Age 18+ years)	1,254	6.1
Hispanic	3,692	6.4
Child (Age <18 years)	1,416	7.7
Adult (Age 18+ years)	2,276	5.8
Puerto Rican^†	695	12.8
Child (Age <18 years)	195^¶	11.3
Adult (Age 18+ years)	499	13.5
Mexican/Mexican American^†	1,822	5.1
Child (Age <18 years)	753	6.2
Adult (Age 18+ years)	1,069	4.5
Federal Poverty Threshold
Below 100% of poverty level	5,020	11.7
100% to less than 250% of poverty level	6,769	7.9
250% to less than 450% of poverty level	6,061	7.3
450% of poverty level or higher	7,342	6.8

Note: NH = Non-Hispanic

^*Includes persons who answered “yes” to the questions: “Have you EVER been told by a doctor or other health professional that you had asthma?” and “Do you still have asthma?”

^**Numbers within selected characteristics may not sum to total due to rounding

^†As a subset of Hispanic

^¶Relative standard error of the estimate is 30%-50%; the estimate is unreliable.

Source: 2017 National Health Interview Survey (NHIS) Data, Table 3-1 and Table 4-1 (Note: Child Age Group data analyzed separately)

National
Prevalence of Asthma Attacks (2017)

National Prevalence of Asthma Attacks (2017)
Characteristic	*Number of persons with current asthma^ who reported having one or more asthma attacks (in thousands)**	*Percent of persons with current asthma^ who reported having one or more asthma attacks**
Total	11,462	45.6
Child (Age <18 years)	3,184	51.6
Adult (Age 18+ years)	8,278	43.6

^*Includes persons who answered “yes” to the questions: “Have you EVER been told by a doctor or other health professional that you had asthma?” and “Do you still have asthma?”

Source: 2017 National Health Interview Survey (NHIS), Table 5-1 and Table 6-1

National
Health Care Use^* (2016)

National Health Care use* (2016)
	Weighted Number of Visits	Rate^^	Weighted Number of Visits	Rate^^	Weighted Number of Visits	Rate^^
	Hospital Inpatient Stays		Emergency Department Visits		Physician Office Visits
Total	188,968	5.9	1,776,851	55.9	9,789,350	307.8
Child (Age <18 years)^†	80,235	10.7	546,013	74.3	2,446,609	332.9
Adult (Age 18+ years)^§	108,505	4.4	1,230,838	50.3	7,342,741	300.3

^*Asthma as the primary diagnosis

^**Crude rate per 10,000 population

^†Rate was calculated using the weighted number of visits for children aged 0-17 years and dividing it by the civilian non-institutionalized population for children aged 0-17 years per 10,000.

^§Rate was calculated using the weighted number of visits for adults aged 18+ years divided by the civilian non-institutionalized population for adults aged 18+ years per 10,000.

Sources:
Hospital inpatient stays: HCUPnet, Healthcare Cost and Utilization Project. Agency for Healthcare Research and Quality, Rockville, MD. https://hcupnet.ahrq.gov/. For more information about HCUP data see http://www.hcup-us.ahrq.gov/

Emergency department visits: CDC/NCHS. National Hospital Ambulatory Medical Care Survey (NHAMCS). https://www.cdc.gov/nchs/ahcd/about_ahcd.htm

Physician office visits: CDC/NCHS. National Ambulatory Medical Care Survey (NAMCS). https://www.cdc.gov/nchs/ahcd/about_ahcd.htm

National
Asthma Mortality (2017)

National Asthma Mortality (2017)
Characteristic	Number of Deaths^*	*Death Rate^, per million
Total	3,564	9.9
Child (Age <18 years)	185	2.5^†
Adult (Age 18+ years)	3,379	13.4^†
Race
White NH	2,089	8.1
Black NH	953	22.7
Other NH	187	8.9
Hispanic^a	322	7.1
Sex
Males	1,384	8.3
Boys (Age <18 years)	119	3.2^†
Men (Age 18+ years)	1,265	10.3^†
Females	2,180	11.0
Girls (Age <18 years)	66	1.8^†
Women (Age 18+ years)	2,114	16.4^†

Note: NH = Non-Hispanic

^*Underlying cause of death is asthma

^**Population-based rates are age-adjusted to the 2000 standard population

^†Rates not age-adjusted

^aInformation for Hispanic origin was missing for 13 deaths

Source: CDC Wonder