A nation’s average life expectancy is a crude but useful way to measure whether health is improving or deteriorating. In the United States (and most developed nations), fluctuations in average life expectancy have been almost entirely upward for the past 150 years.
But not anymore. Recently, the Centers for Disease Control and Prevention (CDC) published shocking data: U.S. life expectancy has declined three years since 2019. This followed marginal declines in 2015, 2016, and 2017. The projected lifespan of an American – 76.1 years (and 73.2 years for males) – is now at its lowest point since 1996.
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