Smart answer:

Your search for What is average life expectancy in the united states returned the following results:

78 years

The average U.S. life expectancy is 78 years; however, the human body has the capacity to live to the ripe old age of 90 or older.

79 years

And though the current average life expectancy in the United States is 79 years, those who live to age 65 have a much greater chance of living another 20 years.

Source:

77.6 years

According to the latest figures, average life expectancy in the United States is 77.6 years, compared with 75.4 in 1990, reports the July issue of the Harvard Health Letter.

78.6 years—76.1 years for men and 81.1 years

•The Centers for Disease Control and Prevention, reports that the average life expectancy in the U.S. is 78.6 years—76.1 years for men and 81.1 years for women.

80 years

For instance, US has an average life expectancy of 80 years, even with their seemingly unhealthy diet.

76.1 years

Based on the CDC's provisional data, the average life expectancy in the U.S. is 76.1 years.