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Data Dictionary
Data Dictionary: ACS 2014 (1-Year Estimates)
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Survey: ACS 2014 (1-Year Estimates)
Data Source: U.S. Census Bureau
Data set: American Community Survey 2014 (ACS14)
Table: B07002. Median Age by Geographical Mobility in the Past Year for Current Residence in the United States [6]
Universe: Universe: Population 1 year and Over in the United States
Table Details
B07002. Median Age by Geographical Mobility in the Past Year for Current Residence in the United States
Universe: Universe: Population 1 year and Over in the United States
Relevant Documentation:
Excerpt from: Social Explorer; U.S. Census Bureau; American Community Survey 2014 Summary File: Technical Documentation.
  ACS 2014-1yr Summary File: Technical Documentation -> Appendix A: Supplemental Documentation -> 2014 Subject Definitions -> Population Variables -> Age -> Median Age
Median Age
The median age is the age that divides the population into two equal-size groups. Half of the population is older than the median age and half is younger. Median age is based on a standard distribution of the population by single years of age and is shown to the nearest tenth of a year. (See the sections on "Standard Distributions" and "Medians" under "Derived Measures.")