Female - B12007A002 - Median Age At First Marriage (White Alone) - American Community Survey 2011 (ACS11) - Survey ACS 2011 (1-Year Estimates)

Data Dictionary:

ACS 2011 (1-Year Estimates)

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Survey: ACS 2011 (1-Year Estimates)

Data Source:

U.S. Census Bureau

Data set: American Community Survey 2011 (ACS11)

Table:

B12007A. Median Age At First Marriage (White Alone) [2]

Universe: Universe: White alone population 15 to 54 years

Variable Details

B12007A.	Median Age At First Marriage (White Alone)
	Universe: Universe: White alone population 15 to 54 years
	B12007A002Female Percent base: None - percentages not computed Aggregation method: None -- No totals are displayed for this variable when multiple geographies are aggregated.

Relevant Documentation:

Excerpt from:	Social Explorer; U.S. Census Bureau; American Community Survey 2011 Summary File: Technical Documentation.
	ACS 2011-1yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> 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.")

Excerpt from:	Social Explorer; U.S. Census Bureau; American Community Survey 2011 Summary File: Technical Documentation.
	ACS 2011-1yr Summary File: Technical Documentation -> Appendix A. Supplemental Documentation -> Subject Definitions -> Population Variables -> Marital Status/Marital History -> Median Age at First Marriage

Median Age at First Marriage

The median age at first marriage is calculated indirectly by estimating the proportion of young people who will marry during their lifetime, calculating one-half of this proportion, and determining the age (at the time of the survey) of people at this half-way mark by osculatory interpolation. It does not represent the actual median age of the population who married during the calendar year. It is shown to the nearest tenth of a year. Henry S. Shryock and Jacob S. Siegel outline the osculatory procedure in Methods and Materials of Demography, First Edition (May 1973), Volume 1, pages 291-296.