1776: Average life expectancy in United States was 35 years old.
1997: Average life expectancy in United States was 77 years old.
Life expectancy in United States has dropped for a second year in a row in 2018 according to CDC.
The new average life expectancy for Americans is 78.7 years, which puts US behind other developed nations and 1.5 years lower than the Organization for Economic Cooperation and development (OECD) average life expectancy of 80.3 years. OECD is comprised of Canada, Germany, Mexico, France, Japan and the United Kingdom.
United States was a global leader of longevity in the 1960’s. However, the decline now has been attributed to
Opioid epidemic. CDC has reported a 21% increase in overdose deaths in 2018 and 137% increase between 2000 and 2014.
The top ten Countries with the highest longevity are:
Based on life expectancy forecast for 2040:
- 1) Spain (85.8 years)
- 2) Japan (85.7 years)
- 3) Singapore (85.4 years)
- 4) Switzerland (85.2 years)
- 5) Portugal (84.5 years)
- 6) Italy (84.5 years)
- 7) Israel (84.4 years)
- 8) France (84.3 years)
- 9) Luxembourg (84.1 years)
- 10) Australia (84.1 years)
United States will take the biggest drop in ranking of all high-income countries, falling from 43rd in 2016 to 64th by 2040, with an average life expectancy of 79.8. US will be overtaken by China, which rises 29 places to 39th in the table.
Americans will live only 1.1 years longer on average in 2040 compared to 2016, well below the average global rise of 4.4 years over that same period 
What is Blue Zone:
Dan Buettner has researched for more than 10 years to identify places where people live longer around the world. With the help of the National Geographic Society, Buettner set out to locate places that not only had high concentrations of individuals over 100 years old, but also clusters of people who had grown old without health problems like heart disease, obesity, cancer, or diabetes.
His findings—along with easy steps you can take to live more like these cultures—can be found in his book, The Blue Zones Solution.