New article: “Why Has U.S. Life Expectancy Fallen Below Other Countries?”

Why Has U.S. Life Expectancy Fallen Below Other Countries?

by Anqi Chen,Alicia H. Munnell,Geoffrey T. SanzenbacherandAlice Zulkarnain

IB#17-22

The brief’s key findings are:

• In recent decades, life expectancy at age 65 in the U.S. has been lagging behind other high-income countries, particularly for women.
• A major reason is that, historically, the U.S. has had higher rates of smoking and obesity.
• As a result, the U.S. has made less progress at reducing deaths related to strokes, respiratory diseases, and diabetes.
• If U.S. smoking and obesity rates had matched those of its peer countries, U.S. life expectancy would have exceeded the average until recently.
• Going forward, smoking is no longer a major contributor to the life expectancy gap; the real challenge is curbing obesity.

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