Interpretation of Demographics Data
Demographic Data Report for Tennessee by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Count
Tennessee
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,558,006.
- Rank within US : This state is ranked 20 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,645,238.
- Rank within US : N/A
Pickett County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 883.
- Rank within US : This county is ranked 2857 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 15.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,007.
- Rank within US : This county is ranked 3053 of 3143
Moore County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,284.
- Rank within US : This county is ranked 2470 of 3143
Van Buren County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,314.
- Rank within US : This county is ranked 2008 of 3143
Hancock County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,453.
- Rank within US : This county is ranked 1821 of 3143
Clay County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,500.
- Rank within US : This county is ranked 2378 of 3143
Houston County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,769.
- Rank within US : This county is ranked 1876 of 3143
Perry County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,925.
- Rank within US : This county is ranked 1340 of 3143
Trousdale County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 16.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,942.
- Rank within US : This county is ranked 2951 of 3143
Jackson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,171.
- Rank within US : This county is ranked 2702 of 3143
Decatur County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,346.
- Rank within US : This county is ranked 2187 of 3143
Bledsoe County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,391.
- Rank within US : This county is ranked 2988 of 3143
Meigs County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,670.
- Rank within US : This county is ranked 2187 of 3143
Lewis County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,727.
- Rank within US : This county is ranked 1876 of 3143
Wayne County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,799.
- Rank within US : This county is ranked 2882 of 3143
Grundy County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,905.
- Rank within US : This county is ranked 1876 of 3143
Stewart County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,995.
- Rank within US : This county is ranked 1725 of 3143
Johnson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,032.
- Rank within US : This county is ranked 2927 of 3143
Unicoi County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,245.
- Rank within US : This county is ranked 2702 of 3143
Crockett County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,261.
- Rank within US : This county is ranked 947 of 3143
Cannon County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,266.
- Rank within US : This county is ranked 1429 of 3143
Sequatchie County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,277.
- Rank within US : This county is ranked 2300 of 3143
Benton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,314.
- Rank within US : This county is ranked 2044 of 3143
Polk County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,393.
- Rank within US : This county is ranked 2514 of 3143
Chester County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,780.
- Rank within US : This county is ranked 1683 of 3143
Fentress County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,877.
- Rank within US : This county is ranked 2151 of 3143
Haywood County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,936.
- Rank within US : This county is ranked 1429 of 3143
Morgan County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,039.
- Rank within US : This county is ranked 2537 of 3143
Humphreys County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,131.
- Rank within US : This county is ranked 1683 of 3143
Union County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,342.
- Rank within US : This county is ranked 1725 of 3143
DeKalb County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,496.
- Rank within US : This county is ranked 1606 of 3143
Smith County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,520.
- Rank within US : This county is ranked 1385 of 3143
Grainger County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,732.
- Rank within US : This county is ranked 2359 of 3143
Overton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,789.
- Rank within US : This county is ranked 1977 of 3143
Hardeman County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,982.
- Rank within US : This county is ranked 2404 of 3143
Scott County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,152.
- Rank within US : This county is ranked 900 of 3143
Hickman County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,273.
- Rank within US : This county is ranked 2008 of 3143
Hardin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,375.
- Rank within US : This county is ranked 2300 of 3143
Lauderdale County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,481.
- Rank within US : This county is ranked 1567 of 3143
McNairy County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,595.
- Rank within US : This county is ranked 1725 of 3143
Marion County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,007.
- Rank within US : This county is ranked 2085 of 3143
White County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,037.
- Rank within US : This county is ranked 1683 of 3143
Claiborne County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,118.
- Rank within US : This county is ranked 2557 of 3143
Carroll County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,224.
- Rank within US : This county is ranked 1606 of 3143
Weakley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,291.
- Rank within US : This county is ranked 2537 of 3143
Giles County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,313.
- Rank within US : This county is ranked 2085 of 3143
Henderson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,344.
- Rank within US : This county is ranked 1250 of 3143
Macon County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 25.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,452.
- Rank within US : This county is ranked 468 of 3143
Henry County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,538.
- Rank within US : This county is ranked 2249 of 3143
Obion County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,728.
- Rank within US : This county is ranked 1567 of 3143
Rhea County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,364.
- Rank within US : This county is ranked 1518 of 3143
Cocke County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,486.
- Rank within US : This county is ranked 2151 of 3143
Fayette County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,805.
- Rank within US : This county is ranked 2702 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,922.
- Rank within US : This county is ranked 1469 of 3143
Campbell County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,076.
- Rank within US : This county is ranked 2187 of 3143
Marshall County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,263.
- Rank within US : This county is ranked 947 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,541.
- Rank within US : This county is ranked 2404 of 3143
Dyer County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,754.
- Rank within US : This county is ranked 750 of 3143
Cheatham County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,971.
- Rank within US : This county is ranked 1725 of 3143
Monroe County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,720.
- Rank within US : This county is ranked 2085 of 3143
Warren County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,755.
- Rank within US : This county is ranked 900 of 3143
Carter County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,082.
- Rank within US : This county is ranked 2778 of 3143
Roane County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,221.
- Rank within US : This county is ranked 2608 of 3143
Cumberland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,486.
- Rank within US : This county is ranked 2927 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,763.
- Rank within US : This county is ranked 2489 of 3143
Loudon County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,892.
- Rank within US : This county is ranked 2537 of 3143
Hawkins County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,046.
- Rank within US : This county is ranked 2514 of 3143
Lawrence County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,268.
- Rank within US : This county is ranked 443 of 3143
McMinn County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,469.
- Rank within US : This county is ranked 1907 of 3143
Gibson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,346.
- Rank within US : This county is ranked 594 of 3143
Dickson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,567.
- Rank within US : This county is ranked 1209 of 3143
Bedford County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,087.
- Rank within US : This county is ranked 355 of 3143
Greene County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,605.
- Rank within US : This county is ranked 2514 of 3143
Coffee County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 14,325.
- Rank within US : This county is ranked 619 of 3143
Tipton County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 14,632.
- Rank within US : This county is ranked 750 of 3143
Hamblen County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 15,518.
- Rank within US : This county is ranked 750 of 3143
Anderson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 16,716.
- Rank within US : This county is ranked 1821 of 3143
Putnam County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 17,040.
- Rank within US : This county is ranked 2008 of 3143
Robertson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 17,910.
- Rank within US : This county is ranked 687 of 3143
Sevier County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 20,658.
- Rank within US : This county is ranked 2008 of 3143
Madison County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 22,249.
- Rank within US : This county is ranked 1340 of 3143
Bradley County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 24,059.
- Rank within US : This county is ranked 1606 of 3143
Maury County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 24,275.
- Rank within US : This county is ranked 1042 of 3143
Washington County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 25,347.
- Rank within US : This county is ranked 2608 of 3143
Blount County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 27,470.
- Rank within US : This county is ranked 2329 of 3143
Sullivan County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 30,629.
- Rank within US : This county is ranked 2514 of 3143
Wilson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 36,047.
- Rank within US : This county is ranked 900 of 3143
Sumner County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 46,778.
- Rank within US : This county is ranked 1001 of 3143
Montgomery County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 61,230.
- Rank within US : This county is ranked 204 of 3143
Williamson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 66,844.
- Rank within US : This county is ranked 251 of 3143
Hamilton County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 78,520.
- Rank within US : This county is ranked 1907 of 3143
Rutherford County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 87,170.
- Rank within US : This county is ranked 507 of 3143
Knox County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 102,675.
- Rank within US : This county is ranked 1936 of 3143
Davidson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 148,110.
- Rank within US : This county is ranked 2008 of 3143
Shelby County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 25.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 234,894.
- Rank within US : This county is ranked 355 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 07/03/2025 9:52 pm.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.