Purpose
National
Current Asthma1 Prevalence by Select Sociodemographic Characteristics (2023)
| Characteristic2 | Weighted Number With Current Asthma1 | Percent3 With Current Asthma1 (SE) | |
| Total | 27,807,000 | 8.4 (0.18) | |
| Children (Age <18 years) | 4,804,000 | 6.7 (0.33) | |
| Adults (Age 18+ years) | 23,004,000 | 8.9 (0.20) | |
| Age Groups (Years) | |||
| 0–4 | 558,000 | 3.0 (0.44) | |
| 5–14 | 2,970,000 | 7.4 (0.44) | |
| 15–19 | 2,059,000 | 9.5 (0.83) | |
| 20–24 | 2,398,000 | 10.9 (1.00) | |
| 25–34 | 4,220,000 | 9.5 (0.54) | |
| 35–64 | 10,806,000 | 8.7 (0.29) | |
| 65+ | 4,787,000 | 8.3 (0.32) | |
| Sex⁴ | |||
| Males | 11,319,000 | 7.0 (0.24) | |
| Age <18 years | 2,788,000 | 7.6 (0.47) | |
| Age 18+ years | 8,531,000 | 6.8 (0.27) | |
| Females | 16,488,000 | 9.9 (0.27) | |
| Age <18 years | 2,015,000 | 5.7 (0.44) | |
| Age 18+ years | 14,473,000 | 11.0 (0.31) | |
| Poverty Level⁵ | |||
| Below 100% of the poverty threshold | 4,308,000 | 11.7 (0.68) | |
| 100% to <250% of the poverty threshold | 8,809,000 | 9.7 (0.39) | |
| 250% to <450% of the poverty threshold | 6,996,000 | 7.8 (0.33) | |
| 450% of poverty threshold or higher | 7,707,000 | 6.9 (0.27) | |
Abbreviations: NH = Non-Hispanic, SE = Standard Error
1 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?".
2 Numbers within selected characteristics may not sum to total due to rounding and missing values.
3 The weighted number of survey participants of the intended population group with current asthma divided by the weighted number of all survey participants in the intended population group and then multiply by 100.
4 Persons who answered "male" or "female" to the question "Are you male or female?".
5 Poverty level is based on family income and family size using the U.S. Census Bureau's poverty thresholds (calculated separately using 10 imputed income files).
Source: 2023 National Health Interview Survey (NHIS) Data
(Note: some detailed age group data was analyzed separately).
Current Asthma1 Prevalence by Race and Ethnicity Among Children and Adults (2023)
| Race and Ethnicity | Total2
With Current Asthma1 |
Children
Age <18 years With Current Asthma1 |
Adults
Age 18+ years With Current Asthma1 |
|||
| Weighted Number | Percent3 (SE) | Weighted Number | Percent3 (SE) | Weighted Number | Percent3 (SE) | |
| White NH | 16,786,000 | 8.6 (0.23) | 2,053,000 | 5.6 (0.41) | 14,733,000 | 9.2 (0.26) |
| Black NH | 4,502,000 | 11.5 (0.70) | 976,000 | 11.1 (1.26) | 3,527,000 | 11.6 (0.77) |
| Other NH | 2,045,000 | 6.7 (0.51) | 455,000 | 5.7 (0.78) | 1,591,000 | 7.0 (0.64) |
| Hispanic | 4,474,000 | 7.0 (0.39) | 1,321,000 | 7.0 (0.66) | 3,153,000 | 7.0 (0.43) |
| Mexican4 | 2,249,000 | 6.1 (0.44) | 691,000 | 5.9 (0.77) | 1,558,000 | 6.2 (0.53) |
| Other Hispanic4 | 2,145,000 | 8.1 (0.65) | 610,000 | 8.9 (1.29) | 1,535,000 | 7.8 (0.71) |
| Mexican6 | 2,037,683 | 5.5 (0.28) | 621,988 | 5.3 (0.46) | 1,415,695 | 5.6 (0.32) |
| Other Hispanic6 | 1,841,425 | 7.7 (0.38) | 393,904 | 5.8 (0.64) | 1,447,521 | 8.4 (0.46) |
Abbreviations: NH = Non-Hispanic, AI/AN = American Indian/ Alaska Native, SE = Standard Error
1 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?".
2 Total may not equal to the sum of children and adults due to rounding and missing values.
3 The weighted number of survey participants of the intended population group with current asthma divided by the weighted number of all survey participants in the intended population group and then multiply by 100.
4 As a subset of Hispanic.
Source: 2023 National Health Interview Survey (NHIS)
Prevalence of Asthma Attacks1 Among Children and Adults With Current Asthma2 (2023)
| Characteristic | Weighted Number With Asthma Attack1 | Percent3 (SE) |
| Total | 11,750,000 | 42.3 (1.08) |
| Children (Age <18 years) | 2,264,000 | 47.1 (2.41) |
| Adults (Age 18+ years) | 9,486,000 | 41.2 (1.20) |
Abbreviation: SE = Standard Error
1 Having had one or more asthma attacks in the past 12 months among people with current asthma.
2 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?".
3 The weighted number of survey participants of the intended population group who had one or more asthma attacks in the past 12 months among people with current asthma divided by the weighted number of all survey participants in the intended population group and then multiply by 100.
Source: 2022 National Health Interview Survey (NHIS)
Prevalence of Asthma Attacks1 Among Children and Adults With Current Asthma2 by Race, Ethnicity, and Age (2023)
| Race and Ethnicity | Total3
With Asthma Attack |
Children
Age <18 years With Asthma Attack1 |
Adults
Age 18+ years With Asthma Attack1 |
|||
| Weighted Number | Percent4 (SE) | Weighted Number | Percent4 (SE) | Weighted Number | Percent4 (SE) | |
| White NH | 7,256,000 | 43.2 (1.39) | 1,015,000 | 49.4 (3.81) | 6,241,000 | 42.4 (1.47) |
| Black NH | 1,819,000 | 40.4 (3.02) | 552,000 | 56.6 (6.01) | 1,267,000 | 35.9 (3.29) |
| Other NH | 872,000 | 42.6 (3.51) | 195,000 | 42.8 (7.10) | 677,000 | 42.6 (4.19) |
| Hispanic | 1,803,000 | 40.3 (2.41) | 502,000 | 38.0 (4.01) | 1,301,000 | 41.2 (3.07) |
| Mexican5 | 789,000 | 35.1 (3.12) | 216,000 | 31.3 (5.02) | 573,000 | 36.8 (4.21) |
| Other Hispanic5 | 1,003,000 | 46.7 (3.66) | 283,000 | 46.4 (6.44) | 720,000 | 46.9 (4.50) |
Abbreviations: NH = Non-Hispanic, AI/AN = American Indian/ Alaska Native, SE = Standard Error
1 Having had one or more asthma attacks in the past 12 months among people with current asthma.
2 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?".
3 Total may not equal to the sum of children and adults due to rounding and missing values.
4 The weighted number of survey participants of the intended population group who had one or more asthma attacks in the past 12 months among people with current asthma divided by the weighted number of all survey participants with current asthma in the intended population group and then multiply by 100.
5 As a subset of Hispanic.
Source: 2023 National Health Interview Survey (NHIS)
Asthma Emergency Department Visits and Hospitalizations Among Children and Adults1 (2020)
| Emergency Department Visits | Hospital Inpatient Stays | |||
| Weighted Number of Visits | Rate2 (SE) | Weighted Number of Visits | Rate2 (SE) | |
| Total | 986,453 | 29.8 (0.98) | 94,560 | 2.9 (0.06) |
| Children (Age <18 years)3 | 270,330 | 36.4 (2.69) | 27,055 | 3.6 (0.21) |
| Adults (Age 18+ years)4 | 716,117 | 27.8 (0.89) | 67,505 | 2.6 (0.05) |
Abbreviation: SE = Standard Error
Notes:
For detailed estimates refer to 2020 Asthma-related Healthcare Use data web tables: https://www.cdc.gov/asthma/national-surveillance-data/healthcare-use.htm.
Note: in 2020 transitioned to using HCUP data to calculate asthma Emergency Department visits.
1 Asthma as the primary diagnosis (ICD-10-CM Code: J45)
2 Crude rate per 10,000 U.S. Census 2020 population
3 Rate was calculated using the weighted number of visits for children aged 0–17 years divided by the U.S. Census 2020 resident population for children aged 0–17 years and multiplied by 10,000.
4 Rate was calculated using the weighted number of visits for adults aged 18+ years divided by the U.S. Census 2020 resident population for adults aged 18+ years and multiplied by 10,000.
Data sources:
Emergency department visits: HCUP, Healthcare Cost and Utilization Project, National (Nationwide) Emergency Department Sample (NEDS).
Hospital inpatient stays: HCUPnet, Healthcare Cost and Utilization Project National (Nationwide) Inpatient Sample (NIS). 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/.
Asthma Mortality by Select Sociodemographic Characteristics (2023)
| Characteristic1 | Number of Deaths2 | Death Rate2 Per Million (SE) |
| Total |
3,624 |
10.8 (0.18) |
| Children (Age <18 years)3 |
166 |
2.3 (0.18) |
| Adults (Age 18+ years)4 |
3,458 |
13.2 (0.22) |
| Age Groups (Years) |
|
|
| 0–4 |
27 |
1.5 (0.28) |
| 5–11 |
63 |
2.2 (0.28) |
| 12–17 |
76 |
2.9 (0.34) |
| 18–24 |
156 |
5.1 (0.41) |
| 25–34 |
269 |
5.9 (0.36) |
| 35–64 |
1,370 |
10.8 (0.29) |
| 65+ |
1,663 |
28.1 (0.69) |
| Sex5 |
|
|
| Male |
1,507 |
9.1 (0.23) |
| Age <18 years |
108 |
2.9 (0.28) |
| Age 18+ years |
1,399 |
10.9 (0.29) |
| Female |
2,117 |
12.5 (0.27) |
| Age <18 years |
58 |
1.6 (0.21) |
| Age 18+ years |
2,059 |
15.4 (0.34) |
| Race/Ethnicity |
|
|
| White, Non-Hispanic |
2,035 |
10.4 (0.23) |
| Children (Age <18 years) |
31 |
0.9 (0.16) |
| Adults (Age 18+ years) |
2,004 |
12.5 (0.28) |
| Black, Non-Hispanic |
955 |
22.6 (0.73) |
| Children (Age <18 years) |
104 |
10.3 (1.01) |
| Adults (Age 18+ years) |
851 |
26.4 (0.91) |
| American Indian or Alaska Native, Non-Hispanic |
—6 |
—6 |
| Children (Age <18 years) |
—7 |
—7 |
| Adults (Age 18+ years) |
27 |
14.4 (2.77) |
| Asian or Native Hawaiian or Other Pacific Islander, Non-Hispanic |
140 |
6.6 (0.56) |
| Children (Age <18 years) |
0 |
0.0 (0.00) |
| Adults (Age 18+ years) |
140 |
8.2 (0.69) |
| Hispanic |
404 |
6.2 (0.31) |
| Children (Age <18 years) |
26 |
1.4 (0.27) |
| Adults (Age 18+ years) |
378 |
8.2 (0.42) |
| Hispanic | 383 | 6.0 (0.31) |
| Children (Age <18 years) | 33 | 1.8 (0.31) |
| Adults (Age 18+ years) | 350 | 7.8 (0.42) |
Abbreviation: SE = Standard Error
1 Numbers within selected characteristics may not sum to total due to rounding and missing values.
2 Asthma as the underlying cause of death (ICD-10 codes J45–J46)
3 Crude rate of child deaths was calculated using the number of deaths for children aged 0–17 years and dividing it by the U.S. Census 2023 resident population for children aged 0–17 years per 1,000,000.
4 Crude rate of adult deaths was calculated using the number deaths for adults aged 18+ years divided by the U.S. Census 2023 resident population for adults aged 18+ years per 1,000,000.
5 Variable includes the categories female and male, as reported in death certificate.
6 To prevent the inadvertent disclosure of suppressed values, subtotals are suppressed when the subtotal includes a single suppressed value. See CDC WONDER’s Assurance of Confidentiality for more information.
7 Data are suppressed when there are fewer than 10 deaths (i.e., 1–9).
Source: CDC/NCHS, Division of Vital Statistics CDC Wonder
State or Territory Data
Current1 Asthma Prevalence by State for Children2 (2023)
| State or Territory | Number With Current Asthma | Percent With Current Asthma (SE) |
| Alabama | 89,802 | 8.2 (1.31) |
| Alaska | 5,906 | 3.4 (0.95) |
| Arizona | 122,912 | 7.9 (1.42) |
| Arkansas | 44,833 | 6.5 (1.08) |
| California | 548,709 | 6.5 (0.52) |
| Colorado | 82,728 | 6.9 (1.03) |
| Connecticut | 40,559 | 5.6 (1.07) |
| Delaware | 16,683 | 8.1 (1.33) |
| District of Columbia | 11,132 | 9.1 (1.85) |
| Florida | 305,950 | 7.2 (1.23) |
| Georgia | 213,945 | 8.6 (1.13) |
| Hawaii | 6,081 | 2.1 (0.54) |
| Idaho | 24,867 | 5.4 (0.93) |
| Illinois | 133,340 | 5.0 (0.77) |
| Indiana | 90,447 | 5.8 (1.06) |
| Iowa | 35,975 | 5.1 (1.04) |
| Kansas | 45,587 | 6.7 (0.58) |
| Kentucky | 45,616 | 4.6 (0.93) |
| Louisiana | 70,016 | 6.7 (0.73) |
| Maine | 27,661 | 11.4 (1.84) |
| Maryland | 111,639 | 8.4 (1.60) |
| Massachusetts | 91,956 | 7.0 (1.06) |
| Michigan | 138,844 | 6.7 (1.18) |
| Minnesota | 74,222 | 5.8 (0.64) |
| Mississippi | 67,029 | 10.2 (1.62) |
| Missouri | 112,668 | 8.3 (1.42) |
| Montana | 17,207 | 7.5 (1.46) |
| Nebraska | 24,866 | 5.3 (0.93) |
| Nevada | 30,550 | 4.5 (1.08) |
| New Hampshire | 17,058 | 6.9 (1.13) |
| New Jersey | 153,048 | 7.8 (1.36) |
| New Mexico | 32,963 | 7.4 (1.12) |
| New York | 177,195 | 4.5 (0.86) |
| North Carolina | 161,948 | 7.1 (1.43) |
| North Dakota | 9,222 | 5.2 (0.99) |
| Ohio | 182,889 | 7.2 (0.84) |
| Oklahoma | 69,854 | 7.4 (1.14) |
| Oregon | 26,594 | 3.2 (0.93) |
| Pennsylvania | 193,354 | 7.5 (0.87) |
| Rhode Island | 15,213 | 7.7 (1.57) |
| South Carolina | 78,858 | 7.1 (1.17) |
| South Dakota | 10,342 | 4.8 (0.95) |
| Tennessee | 95,599 | 6.3 (1.05) |
| Texas | 544,707 | 7.4 (1.13) |
| Utah | 55,023 | 6.0 (1.04) |
| Vermont | 9,697 | 8.6 (1.35) |
| Virginia | 110,048 | 6.0 (0.99) |
| Washington | 83,411 | 5.1 (1.07) |
| West Virginia | 27,068 | 7.8 (1.15) |
| Wisconsin | 79,584 | 6.5 (0.82) |
| Wyoming | 8,725 | 6.8 (0.97) |
1 Current: Doctor/health care provider EVER told child has asthma? If yes, does child CURRENTLY have the condition?
2 Child: Aged <18 years. Source: 2023 National Survey of Children's Health (NSCH).
Note: NSCH was the data source for state-level estimates because it has data on children in all 50 states and DC.
Current Asthma1 Prevalence by State or Territory for Adults2 (BRFSS 2023)
| State or Territory | Number With Current Asthma | Percent With Current Asthma (SE) |
| Alabama | 350,749 | 8.8 (0.57) |
| Alaska | 59,838 | 10.8 (0.59) |
| Arizona | 601,018 | 10.3 (0.44) |
| Arkansas | 231,412 | 9.9 (0.57) |
| California | 2,688,439 | 8.8 (0.39) |
| Colorado | 524,666 | 11.3 (0.44) |
| Connecticut | 316,879 | 10.9 (0.50) |
| Delaware | 90,644 | 11.0 (0.73) |
| District of Columbia | 59,577 | 10.6 (0.87) |
| Florida | 1,559,429 | 8.5 (0.47) |
| Georgia | 801,375 | 9.4 (0.49) |
| Hawaii | 113,386 | 9.8 (0.49) |
| Idaho | 157,515 | 10.5 (0.51) |
| Illinois | 937,468 | 9.5 (0.56) |
| Indiana | 605,345 | 11.5 (0.41) |
| Iowa | 221,751 | 8.9 (0.39) |
| Kansas | 221,805 | 9.9 (0.42) |
| Kentucky | —³ | —³ |
| Louisiana | 373,621 | 10.6 (0.64) |
| Maine | 146,401 | 12.9 (0.46) |
| Maryland | 525,607 | 10.8 (0.42) |
| Massachusetts | 672,211 | 11.9 (0.50) |
| Michigan | 869,040 | 11.0 (0.43) |
| Minnesota | 436,181 | 9.8 (0.39) |
| Mississippi | 161,450 | 7.1 (0.48) |
| Missouri | 476,023 | 9.9 (0.51) |
| Montana | 104,678 | 11.7 (0.52) |
| Nebraska | 127,138 | 8.5 (0.34) |
| Nevada | 219,839 | 8.8 (0.79) |
| New Hampshire | 134,973 | 11.8 (0.63) |
| New Jersey | 627,531 | 8.6 (0.42) |
| New Mexico | 160,815 | 9.7 (0.88) |
| New York | 1,553,999 | 9.9 (0.34) |
| North Carolina | 856,919 | 10.0 (0.70) |
| North Dakota | 61,046 | 10.1 (0.56) |
| Ohio | 1,007,049 | 11.0 (0.40) |
| Oklahoma | 348,844 | 11.3 (0.49) |
| Oregon | 399,253 | 11.8 (0.52) |
| Pennsylvania | —³ | —³ |
| Rhode Island | 108,515 | 12.2 (0.65) |
| South Carolina | 370,455 | 8.8 (0.44) |
| South Dakota | 67,878 | 9.7 (0.99) |
| Tennessee | 614,808 | 11.0 (0.58) |
| Texas | 1,966,297 | 8.5 (0.50) |
| Utah | 272,035 | 11.0 (0.42) |
| Vermont | 59,448 | 11.2 (0.58) |
| Virginia | 697,841 | 10.2 (0.52) |
| Washington | 659,914 | 10.7 (0.25) |
| West Virginia | 196,326 | 13.9 (0.67) |
| Wisconsin | 504,682 | 10.9 (0.40) |
| Wyoming | 44,619 | 10.0 (0.60) |
| Guam | 6,900 | 6.2 (1.04) |
| Puerto Rico | 381,849 | 14.1 (0.74) |
| Virgin Islands | 3,932 | 5.7 (0.97) |
Abbreviation: SE = Standard Error.
1 Current: 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?".
2 Adult: Aged ≥18 years
3 — / blank: No data for year 2023.
Source: 2023 Behavioral Risk Factor Surveillance System (BRFSS)
Note: BRFSS was the data source for state-level and territory estimates because it has data on adults in all 50 states, DC, and territories.
Asthma Mortality by State (2023)
|
State |
Number of Deaths1 | Crude Death Rate (SE)1 per Million | Adjusted Death Rate (SE)1,2 per Million |
| Alabama | 65 | 12.7 (1.58) | 11.3 (1.46) |
| Alaska | 10 | —³ | —³ |
| Arizona | 75 | 10.1 (1.17) | 8.6 (1.03) |
| Arkansas | 34 | 11.1 (1.90) | 10.6 (1.87) |
| California | 392 | 10.1 (0.51) | 8.8 (0.45) |
| Colorado | 47 | 8.0 (1.17) | 7.3 (1.09) |
| Connecticut | 27 | 7.5 (1.44) | 6.4 (1.29) |
| Delaware | 12 | —³ | —³ |
| District of Columbia | 11 | —³ | —³ |
| Florida | 197 | 8.7 (0.62) | 6.9 (0.52) |
| Georgia | 123 | 11.2 (1.01) | 10.9 (1.00) |
| Hawaii | 19 | —³ | —³ |
| Idaho | 27 | 13.7 (2.65) | 12.4 (2.45) |
| Illinois | 128 | 10.2 (0.90) | 9.3 (0.84) |
| Indiana | 84 | 12.2 (1.34) | 11.3 (1.26) |
| Iowa | 36 | 11.2 (1.87) | 10.1 (1.75) |
| Kansas | 26 | 8.8 (1.73) | 8.1 (1.64) |
| Kentucky | 37 | 8.2 (1.34) | 7.2 (1.22) |
| Louisiana | 32 | 7.0 (1.24) | 6.8 (1.22) |
| Maine | 15 | —³ | —³ |
| Maryland | 101 | 16.3 (1.63) | 14.9 (1.52) |
| Massachusetts | 78 | 11.1 (1.26) | 9.1 (1.06) |
| Michigan | 128 | 12.8 (1.13) | 11.6 (1.06) |
| Minnesota | 64 | 11.2 (1.39) | 9.6 (1.23) |
| Mississippi | 42 | 14.3 (2.21) | 13.6 (2.16) |
| Missouri | 61 | 9.8 (1.26) | 9.2 (1.21) |
| Montana | 15 | —³ | —³ |
| Nebraska | 23 | 11.6 (2.42) | 10.5 (2.24) |
| Nevada | 41 | 12.8 (2.01) | 12.1 (1.93) |
| New Hampshire | 12 | —³ | —³ |
| New Jersey | 112 | 12.1 (1.14) | 10.4 (1.01) |
| New Mexico | 37 | 17.5 (2.88) | 15.4 (2.63) |
| New York | 290 | 14.8 (0.87) | 12.6 (0.77) |
| North Carolina | 113 | 10.4 (0.98) | 9.8 (0.94) |
| North Dakota | —⁴ | —⁴ | —⁴ |
| Ohio | 119 | 10.1 (0.93) | 8.6 (0.82) |
| Oklahoma | 45 | 11.1 (1.66) | 11.1 (1.69) |
| Oregon | 64 | 15.1 (1.89) | 12.4 (1.60) |
| Pennsylvania | 163 | 12.6 (0.99) | 10.4 (0.85) |
| Rhode Island | —⁴ | —⁴ | —⁴ |
| South Carolina | 68 | 12.6 (0.99) | 10.4 (0.85) |
| South Dakota | —⁴ | —⁴ | —⁴ |
| Tennessee | 62 | 8.7 (1.11) | 7.9 (1.03) |
| Texas | 243 | 8.0 (0.51) | 8.0 (0.52) |
| Utah | 30 | 8.8 (1.60) | 10.0 (1.85) |
| Vermont | 11 | —³ | —³ |
| Virginia | 88 | 10.1 (1.08) | 9.2 (1.01) |
| Washington | 100 | 12.8 (1.28) | 11.6 (1.19) |
| West Virginia | 21 | 11.9 (2.59) | 10.3 (2.36) |
| Wisconsin | 76 | 12.9 (1.48) | 11.4 (1.35) |
| Wyoming | —⁴ | —⁴ | —⁴ |
| Total | 3,624 | 10.8 (0.18) | 9.6 (0.16) |
Abbreviation: SE = Standard Error
1 Asthma as the underlying cause of death (ICD-10 codes J45–J46)
2 Population-based rates are age-adjusted to the 2000 standard population to facilitate comparison across states and years.
3 Rates are unreliable when there are fewer than 20 deaths.
4 Data are suppressed when there are fewer than 10 deaths (i.e., 1–9).
Source: CDC/NCHS, Division of Vital Statistics CDC Wonder