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Share of Population By Age Group, Change, 2000 to 2010

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Visualization Notes:

The percentage of Arizona residents less than 18 years of age slipped 1.1 percentage points between 2000 and 2010; nationally, the share dropped 1.7 percentage points. Pinal was the only Arizona county with an increase, as the rapidly increasing suburbanization of the county consisted largely of families of young adults and their children. The percentage of the population 65 or older increased 0.8 percentage points in Arizona, marginally more than the national average. In three counties, including Pinal, the older population share declined.

The share of the population of prime working age (18 to 64) rose slightly in Arizona between 2000 and 2010; the increase was larger nationally. The share rose substantially in some Arizona counties but barely changed in populous Maricopa County and dropped significantly in La Paz County.