How Many Adults Live in the US?

The United States and Puerto Rico were home to an estimated 327,167,434 individuals in 2018, according to data from the US Census Bureau. 253,768,092 of these persons were adults at least 18 years old. This constitutes 77.6 percent of the nation’s population. 70.5% of Utah’s population was of legal adult age, making it the state with the lowest adult population. The District of Columbia has the largest percentage of adults, with 81.9 percent of its population being 18 years or older.

Every ten years, the US Census Bureau conducts in-depth surveys known as the decennial census. The collected information includes the age, gender, race, occupation, and living situation of every citizen. This information is utilised for government, housing, job creation, healthcare service, and education decision making.

Life Expectancy

The average life expectancy of adults in the United States is 78.6 years, as reported by the Centers for Disease Control and Prevention. This is based on reports compiled from 2017 Medicare data and 2010 US Census data. Compared to 2016 data, the average life expectancy has decreased by 0.1 years. Statistics indicate that social dangers and economic status are directly associated to the decline in life expectancy.

Health Issues

Adults in the United States encounter a variety of health issues that reduce their life expectancy. This even accounts for the evolution of healthcare. The four biggest health risks are:

Drug overdoses


hepatic disease

Stress-related disorders

According to reports, middle-class persons are suffering the most rapid fall in life expectancy. Since the early 1980s, when industrial jobs began to decline, this pattern has been observed. These circumstances resulted in an increase in stress related to meeting financial responsibilities, the loss of health insurance, and depression. The result was increased drug and alcohol dependency, malnutrition, and neglect of medical treatment among adults.

Financial Status

According to 2018 data from the US Census Bureau, the median household income for adult Americans was $63,179. The average income of adult men was $55,291, while the average income of adult women was $45,097. This data is derived from full-time employment.

In 2018, the poverty rate was 11.8 percent, a decrease of 0.5 percent from the 12.3 percent recorded in 2017. This translates to 38,1 million adults in the United States living in poverty. The largest proportion of adults living in poverty lacked a high school education or GED and were at least 25 years old.


According to WorldEd.org, 65 percent of all employment demand education beyond a high school graduation. Nevertheless, 59 million of the 166 million working adults have less than a high school education. This is affecting the health and lifestyles of American adults, hence altering their life expectancy.

According to statistics, full-time workers with a high school diploma earn roughly $10,000 more than those without a diploma. Those with some college education earn $13,000 more than those with no college degree. Meanwhile, college graduates with an associate’s degree or higher earn a minimum of $40,000.

Joel Gomez
Joel Gomezhttps://www.gadgetclock.com
Joel Gomez is an Avid Coder and technology enthusiast. To keep up with his passion he started Gadgetclock 3 years ago in 2018. Now It's his hobby at the night :) If you have any questions/queries and just wanna chit chat about technology, shoot a mail - Joel at gadgetclock com.

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