MapMaster 3
Atlas (Beta)MapMaster 3
Population Younger than 18 Years (U.S.)
North AmericaPopulationPercentage of the U.S. population younger than the age of 18, by county
Percentage of population younger than 18 years in U S: In Alaska, the percentage is high (dark blue), In the region of Oregon, Nevada, north-east, and Idaho the percentage is less (light blue). Most of the eastern and central region have moderate (blue).
Class | Rank | Percent | Class | Rank | Percent of land | Arctic Cordillera | Tundra | Taiga | Hudson Plain | Boreal forests | Northwestern forested mountains | Marine west coast forest | Eastern temperate forests | Great Plains | Deserts and steppes | Mediterranean California | Southern semi-arid highlands | Temperate sierras | Tropical wet forests | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.96% | 6.84% | 22.1% | 11.9% | 32.1% | 29.3% | 5.59% | 34.8% | 38.2% | 26.9% | 39.7% | 6.89% | 11.3% | 14.5% | |||||||
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