At a glance
2022 CHILD Participation Table and Map
Percentage of U.S. Children < 6 years with 2+ Immunizations in IIS
Percentage of children aged <6 years participating in an immunization information system (IIS) in the United States (including all 50 states, five cities, and the District of Columbia, and eight territories) in 2022.
National coverage: 98% (excluding territories)
Map of this data (printable version) [1 page]
| State/City | Percentage |
|---|---|
| Alabama | 104.6% |
| Alaska | 76.1% |
| Arizona | 105.0% |
| Arkansas | 101.6% |
| California | 95.4% |
| Chicago, IL | 101.8% |
| Colorado | 106.4% |
| Connecticut | 100.3% |
| DC | 123.2% |
| Delaware | 104.2% |
| Florida | 91.9% |
| Georgia | 104.7% |
| Hawaii | 67.3% |
| Houston, TX | 135.0% |
| Idaho | 95.4% |
| Illinois* | 93.5% |
| Indiana | 99.2% |
| Iowa | 102.1% |
| Kansas | 93.5% |
| Kentucky | 100.9% |
| Louisiana | 106.6% |
| Maine | 99.3% |
| Maryland | 102.1% |
| Massachusetts | 108.6% |
| Michigan | 97.4% |
| Minnesota | 97.8% |
| Mississippi | 111.4% |
| Missouri | 88.2% |
| Montana | 94.8% |
| Nebraska | 96.9% |
| Nevada | 102.1% |
| New Hampshire | 70.6% |
| New Jersey | 98.0% |
| New Mexico | 101.2% |
| New York* | 94.9% |
| New York City, NY | 104.4% |
| North Carolina | 103.6% |
| North Dakota | 94.5% |
| Ohio | 95.1% |
| Oklahoma | 92.7% |
| Oregon | 100.1% |
| Pennsylvania* | 91.3% |
| Philadelphia, PA | 110.6% |
| Rhode Island | 104.5% |
| San Antonio, TX | 91.8% |
| South Carolina | 107.9% |
| South Dakota | 96.7% |
| Tennessee | 99.7% |
| Texas* | 82.0% |
| Utah | 102.2% |
| Vermont | 103.6% |
| Virginia | 108.3% |
| Washington | 100.7% |
| West Virginia | 95.5% |
| Wisconsin | 97.9% |
| Wyoming | 103.5% |
| Territories | Percentage |
|---|---|
| American Samoa | 115.7% |
| Guam | 45.7% |
| Marshall Islands | 62.4% |
| Federated States of Micronesia | 105.6% |
| Northern Mariana Islands | 83.6% |
| Palau | 0.0% |
| Puerto Rico | 91.8% |
| Virgin Islands | 61.1% |
Footnotes
* City-based IIS participation rates are reported separately from their respective states; state rates do not include city data in their values.
Reported annual fluctuations in child participation may be due to programmatic and/or technical changes to the immunization information system. The denominator used to calculate child participation numbers are drawn from the 2022 Census estimates for each state and city.
Source: Immunization Information System Annual Report, CY2022
2022 ADOLESCENT Participation Table and Map
Percentage of U.S. Adolescents 11-17 years with 2+ Adolescent Immunizations in IIS
Percentage of adolescents aged 11-17 years participating in an immunization information system (IIS) in the United States (including all 50 states, five cities, and the District of Columbia, and eight territories) 2022.
National coverage: 86% (excluding territories)
Map of this data (printable version) [1 page]
| State/City | Percentage |
|---|---|
| Alabama | 14.8% |
| Alaska | 79.1% |
| Arizona | 105.0% |
| Arkansas | 97.4% |
| California | 79.6% |
| Chicago, IL | 100.9% |
| Colorado | 95.0% |
| Connecticut | 84.8% |
| DC | 131.4% |
| Delaware | 96.2% |
| Florida | 73.3% |
| Georgia | 97.1% |
| Hawaii | 61.4% |
| Houston, TX | 128.3% |
| Idaho | 80.1% |
| Illinois* | 92.7% |
| Indiana | 93.8% |
| Iowa | 89.8% |
| Kansas | 87.7% |
| Kentucky | 91.3% |
| Louisiana | 98.0% |
| Maine | 94.5% |
| Maryland | 90.2% |
| Massachusetts | 105.9% |
| Michigan | 88.0% |
| Minnesota | 85.7% |
| Mississippi | 91.8% |
| Missouri | 74.9% |
| Montana | 82.2% |
| Nebraska | 87.3% |
| Nevada | 93.9% |
| New Hampshire | 64.2% |
| New Jersey | 83.3% |
| New Mexico | 114.5% |
| New York* | 97.0% |
| New York City, NY | 95.8% |
| North Carolina | 90.2% |
| North Dakota | 89.0% |
| Ohio | 83.3% |
| Oklahoma | 78.1% |
| Oregon | 87.7% |
| Pennsylvania* | 85.5% |
| Philadelphia, PA | 111.7% |
| Rhode Island | 94.1% |
| San Antonio, TX | 69.5% |
| South Carolina | 89.5% |
| South Dakota | 92.6% |
| Tennessee | 85.4% |
| Texas* | 65.9% |
| Utah | 90.4% |
| Vermont | 94.1% |
| Virginia | 112.7% |
| Washington | 95.7% |
| West Virginia | 85.2% |
| Wisconsin | 87.4% |
| Wyoming | 86.8% |
| Territories | Percentage |
|---|---|
| American Samoa | 130.4% |
| Guam | 71.9% |
| Marshall Islands | 71.3% |
| Federated States of Micronesia | 99.1% |
| Northern Mariana Islands | 88.1% |
| Palau | 60.7% |
| Puerto Rico | 89.1% |
| Virgin Islands | 56.6% |
Footnotes
* City-based IIS participation rates are reported separately from their respective states; state rates do not include city data in their values.
Reported annual fluctuations in child participation may be due to programmatic and/or technical changes to the immunization information system. The denominator used to calculate child participation numbers are drawn from the 2022 Census estimates for each state and city.
Source: Immunization Information System Annual Report, CY2022
2022 ADULT Participation Table and Map
Percentage of U.S. Adults 19+ years with 1+ Adult Immunizations in IIS
Percentage of adults aged 19+ years participating in an immunization information system (IIS) in the United States (including all 50 states, five cities, and the District of Columbia, and eight territories) in 2022.
National coverage: 94% (excluding territories)
Map of this data (printable version) [1 page]
| State/City | Percentage |
|---|---|
| Alabama | 50.5% |
| Alaska | 98.7% |
| Arizona | 107.4% |
| Arkansas | 119.0% |
| California | 86.8% |
| Chicago, IL | 114.4% |
| Colorado | 117.0% |
| Connecticut | 97.4% |
| DC | 150.1% |
| Delaware | 110.8% |
| Florida | 121.7% |
| Georgia | 104.5% |
| Hawaii | 68.3% |
| Houston, TX | 26.6% |
| Idaho | 98.3% |
| Illinois* | 108.4% |
| Indiana | 107.3% |
| Iowa | 94.6% |
| Kansas | 116.2% |
| Kentucky | 100.4% |
| Louisiana | 104.9% |
| Maine | 102.0% |
| Maryland | 84.0% |
| Massachusetts | 135.0% |
| Michigan | 104.6% |
| Minnesota | 114.7% |
| Mississippi | 100.7% |
| Missouri | 95.3% |
| Montana | 109.0% |
| Nebraska | 112.5% |
| Nevada | 128.8% |
| New Hampshire | 81.3% |
| New Jersey | 18.2% |
| New Mexico | 118.1% |
| New York* | 99.4% |
| New York City, NY | 116.3% |
| North Carolina | 63.2% |
| North Dakota | 96.9% |
| Ohio | 99.9% |
| Oklahoma | 97.9% |
| Oregon | 121.7% |
| Pennsylvania* | 113.8% |
| Philadelphia, PA | 123.7% |
| Rhode Island | 87.5% |
| San Antonio, TX | 24.7% |
| South Carolina | 103.1% |
| South Dakota | 117.5% |
| Tennessee | 93.6% |
| Texas* | 17.7% |
| Utah | 107.6% |
| Vermont | 113.2% |
| Virginia | 133.6% |
| Washington | 117.3% |
| West Virginia | 107.4% |
| Wisconsin | 112.4% |
| Wyoming | 110.6% |
| Territories | Percentage |
|---|---|
| American Samoa | 141.8% |
| Guam | 105.9% |
| Marshall Islands | 79.1% |
| Federated States of Micronesia | 108.5% |
| Northern Mariana Islands | 113.1% |
| Palau | 58.9% |
| Puerto Rico | 100.2% |
| Virgin Islands | 73.2% |
Footnotes
* City-based IIS participation rates are reported separately from their respective states; state rates do not include city data in their values.
Reported annual fluctuations in child participation may be due to programmatic and/or technical changes to the immunization information system. The denominator used to calculate child participation numbers are drawn from the 2022 Census estimates for each state and city.
Source: Immunization Information System Annual Report, CY2022