In this paper, I will discuss the people gains from the class 2012 for the United States, Ethiopia, and China. Population pyramids illust rove the proportions of the ages of a given over population. all over time, population pyramids show shifts in the median age and bathroom predict future changes. Each horizontal bar represents a 10 year cohort (Hooyman, 2011). A population pyramid illustrates the structure of a population at a given point in time (McIntyre, 2010). The factors that affect how a population ages, in any particular country, include the list fertility rate rate rate, life expectancy at birth, and the infant mortality rate. brio expectancy is the age that an infant is expected live to. The total fertility rate is the average calculate of children that would be born(p) to a woman over her lifetime. The infant mortality rate is how more infants die at birth for every cat valium that are born. The fertility rate has a direct match on the population pyramid. The percentage of the population that is considered old increases as the fertility rate drops. This can be seen in countries, such(prenominal) as China. According to the US Census bureau, the total fertility rate in China went from 2.21 in 1990 to 1.55 in 2012. orbiculate aging is occurring for two reasons.
More people are spiritedness longer and fertility rates have declined in many regions of the world (Hooyman, 2011).
In China, there is an imbalance between the number of males and the number of females in the population. There is a significantly depress number of females than males. Sex selective abortions, infanticide, and abandonwork forcet of female infants ascribe to this. There is a sociocultural preference, in China, for male children. This has conduct to a shortage of marriageable females, which, ultimately, will further reduce the fertility rate. A patriarchal Confucian system that holds men at a higher social standing than women has conduct to male preference. Birth planning policies were created in the...If you want to sterilize a full essay, order it on our website: Ordercustompaper.com
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