Life Expectancy at Birth in United States: 1800 to Today (and Tomorrow)

At MYRIAD, we examine the statistics of human lives to understand how the boundaries of our existence shift over time. Life expectancy at birth measures how many years a newborn could expect to live, given the mortality of the time and place. For the United States, this metric tells a profound story across three centuries, capturing every statistical fact about the lives actually lived there.

Looking across the decades, the trajectory of survival reveals a sweeping historical arc. In the 1800s estimate, life expectancy stood at 37.8 years. By the 1900s estimate it was 47.65 years, and in 1900 it was 47.65 years. The climb continued steadily through the twentieth century, reaching 67.37 in the 1950s and 73.16 in the 1980s. In the 2020s, life expectancy at birth in United States stands at 77.3 years, ranking #58 of 157 countries. Projections suggest this number will climb further, reaching 80.9 in the 2050s projection and 86.9 in the 2100s projection.

These numbers define the horizon of opportunity for anyone born in the United States across these changing eras. Whether navigating the mortality rates of the 1820s estimate at 39.77 years or looking toward the 2030s projection of 78.5 years, each generation inherits a distinct demographic reality. Where do YOU rank among everyone ever born?