About 10 percent of the CEOs in the S&P 500 are 65 years old or older, according to Bloomberg, which cited a study by the Conference Board and Heidrick & Struggles.
Here are three things to know:
1. In 2017, CEOs of S&P 500 companies were 58 years old on average. That's up from an average age of 55 a decade ago.
2. CEOs in the S&P 500 are also keeping their jobs longer. Average tenure was up to 10.9 years in 2017, the most since 2002.
3. "The exceptional longevity of the bull market that followed the Great Recession appears to have stretched leadership tenures at large U.S. public companies, resulting in a higher average CEO age," the Conference Board said in a press release.
Access the full Bloomberg article here.
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