Boomers were born between 1946-1964, so their average age is probably 69. The life expectancy for males is 73 years. There's 4 years left before the average boomer reaches 73 and 13 years left for the youngest of them.
I mention males specifically because most bosses are male.
https://www.cdc.gov/nchs/pressroom/nchs_press_releases/2022/20220831.htm