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Percentage of the population aged 3 and older (%): 
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| 0.28% | 0.56% | 0.84% | 1.11% | 1.39% | 1.67% | 
 
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Percentage of the population aged 3 and older (%): 
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| 4.1% | 6.2% | 8.3% | 10.4% | 12.4% | 14.6% | 
 
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Percentage of the population aged 3 and older (%): 
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Percentage of the population aged 3 and older (%): 
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| 5.66% | 6.06% | 6.46% | 6.86% | 7.26% | 7.66% | 
 
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Percentage of the population aged 3 and older (%): 
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Percentage of the population aged 3 and older (%): 
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| 0.66% | 0.86% | 1.05% | 1.24% | 1.43% | 1.62% | 
 
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Percentage of the population aged 3 and older (%): 
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| 2.22% | 2.48% | 2.74% | 3.00% | 3.26% | 3.52% | 
 
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Percentage of the school-enrolled population 3 years and older (%): 
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| 33.6% | 35.6% | 37.5% | 39.5% | 41.4% | 43.4% | 
 
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School enrollment reports on persons actively enrolled in an educational institution at the time of the survey. On this page, the following grade levels are used: 
- 
Preschool: 
anything before kindergarten, typically anything between ages 2 and 4
 
- 
Kindergarten: 
the year before first grade, typically around age 5
 
- 
Grades 1-12: 
typically started at age 6 and lasting until age 17 or 18
 
- 
Undergraduate: 
in this context, it means and two or four year college, but excluding any graduate education
 
- 
Graduate School: 
anything above undergraduate, including pursuit of master's, professional, or doctorate degrees
 
- 
Public School: 
owned and operated by the government
 
- 
Private School: 
owned and operated by a private organization, often but not always with a religious affiliation
 
For additional information about the data presented on this site, including our sources, please see the About Page.