Demography - Statistics & Facts

Demography - Statistics & Facts

Statistics and facts about Demography

Demography is defined as the statistical study of human population with a special focus on population size, population density and composition.


The total population of the United States is currently around 312 million people. It is projected to reach 439 million people by the year 2050 according to a population projection of the U.S. Census Bureau. With a population growth rate of 0.86 percent in 2009, the United States is one of the faster growing developed countries in the world. In 2007, the birth rate in the U.S. was 14.3 births per 1,000 inhabitants while the death rate was as low as 8.16 deaths per 1,000 people. Life expectancy in the U.S. continues to rise and is now at 78.66 years for Americans born in 2009.

The age structure of the U.S. population has remained roughly the same for the last ten years and looks as follows: around 20 percent of the population is 65 and older, 13 percent is younger than 15 and the residual 67 percent is aged between 15 and 64. According to CIA data, the median age in the United States is currently 36.9 which is low compared to most other developed countries. In developing countries, where life expectancies are lower and death rates are higher, the median age is usually substantially lower.

After several waves of immigration over the centuries, the United States of America is a very diverse multi-ethnic society. A population breakdown by race/ethnicity shows that the majority of Americans are white, but roughly 15 percent of the total population is of Hispanic descent and more than 10 percent of the people living in the U.S. are African American or of African American descent. Asians are currently the fastest growing ethnic group in the U.S., growing by more than 30 percent to a total of 14 million people between 2000 and 2009.
Picture: istockphoto.com / photomorphic

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Language:   English
Page/s: 75
Released: September 2012
Document: Powerpoint (PPTX)
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