Case and Deaton's dataset shows that in 1992, the life-expectancy gap between those with and without a college degree was about 2.5 years. Notable, but not huge. That gap began widening by the 2000s and after 2010 the two sets really diverged, as life expectancy for those with a college degree continued to rise, while life expectancy for those without one declined. Both groups experienced a downturn during the pandemic, but for college-educated Americans it slipped about a year, while for noncollege-educated Americans it slipped by 3.3 years. In the chart above, you can see that by 2021, at the age of 25 a college-educated American could expect to live, on average, more than 58 more years (that is, to live to be over 83), while those without college could expect to live less than 50 more years (that is, not reach 75).