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An analysis of gender ratios 1860-2005 - Love-shy.com wiki: A wiki for the dating-challenged

An analysis of gender ratios 1860-2005


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(Created page with "An Analysis Of Gender Ratios In The USA 1860-2005 by Laplacian ==Abstract== Through the analysis of the given United States Census data, it has been found that due to modern he...")
 
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The United States Census Bureau gathered the data used in this analysis for each decade since 1860. This data was compiled by Infoplease.com,<ref name="Infoplease"></ref> and was entered into a chart in Microsoft Excel and broken down my succinct age levels that were representative of dating groups (Fig. 1).
The United States Census Bureau gathered the data used in this analysis for each decade since 1860. This data was compiled by Infoplease.com,<ref name="Infoplease"></ref> and was entered into a chart in Microsoft Excel and broken down my succinct age levels that were representative of dating groups (Fig. 1).
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[[File:Gender ratios 1860-2005 figure 1.png|Gender ratios in the USA between 1860 and 2005. Shown are discrepancies at various age groups and at birth.]]
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[[File:Gender ratios 1860-2005 figure 1.jpg|Gender ratios in the USA between 1860 and 2005. Shown are discrepancies at various age groups and at birth.]]
==Analysis==
==Analysis==
Between the periods of 1860 and 2005, the gender ratio at birth and between the ages of 5-19 has remained relatively stable. In nature, the number of males born is slightly higher than the number of females born for the reason that males are slightly more susceptible to infant mortality and infectious diseases in the early part of their lives. Environmental factors such as war have also contributed to a naturalized gender ratio that favors males. The slight increase from approximately 102 to 105 males per 100 females since 1940 can be attributed to technological advancements in health care relating to child rearing and immunizations for deadly diseases.
Between the periods of 1860 and 2005, the gender ratio at birth and between the ages of 5-19 has remained relatively stable. In nature, the number of males born is slightly higher than the number of females born for the reason that males are slightly more susceptible to infant mortality and infectious diseases in the early part of their lives. Environmental factors such as war have also contributed to a naturalized gender ratio that favors males. The slight increase from approximately 102 to 105 males per 100 females since 1940 can be attributed to technological advancements in health care relating to child rearing and immunizations for deadly diseases.
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[[File:Gender ratios 1860-2005 figure 1 annotated.png]]
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[[File:Gender ratios 1860-2005 figure 1 annotated.jpg]]
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Refer to the annotated version of figure 1. In the period between 1860 and 1870, clear patterns emerge for the gender ratios of the ages 20-44 population. The American Civil War lasted between 1861 and 1865, which was the cause of death of approximately 620,000 soldiers and an unknown amount of civilians.<ref name="wikicivilwar"></ref> This is reflected in the 1870 period for Ages 20-44, with a reduction of males compared with the number of females; there were 99.2 males for every 100 females. While disadvantageous for female selectivity, males had less competition for a mate.
Refer to the annotated version of figure 1. In the period between 1860 and 1870, clear patterns emerge for the gender ratios of the ages 20-44 population. The American Civil War lasted between 1861 and 1865, which was the cause of death of approximately 620,000 soldiers and an unknown amount of civilians.<ref name="wikicivilwar"></ref> This is reflected in the 1870 period for Ages 20-44, with a reduction of males compared with the number of females; there were 99.2 males for every 100 females. While disadvantageous for female selectivity, males had less competition for a mate.
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<ref name="womenliveharvardgazette">[http://www.news.harvard.edu/gazette/1998/10.01/WhyWomenLiveLon.html Why Women Live Longer Than Men.] Harvard Gazette, 1998, 10.01.</ref>
<ref name="womenliveharvardgazette">[http://www.news.harvard.edu/gazette/1998/10.01/WhyWomenLiveLon.html Why Women Live Longer Than Men.] Harvard Gazette, 1998, 10.01.</ref>
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[[category:articles]]

Latest revision as of 16:27, 11 June 2011

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