Earlier quoted context omitted.
This is the labor force participation rate for men in the US from 1948 to now from the US bureau of labor statistics https://fred.stlouisfed.org/series/LNS11300001 Was 86% or above before 1950, never above 70% over the past 5 years. The trend has been downward the whole time.
You realize the labor participation rate accounts for the retired? A stat that might change with the aging workforce?
From 2000 to 2020, the labor participation for men from 20 to 44 has fallen. Labor participation for men 45 to 54 varies from flat to down. The labor participation rate for men 55 and older has risen. Working age men are less employed than they were, retirement age men are more employed than they were.
https://www.bls.gov/emp/tables/civilian-labor-force-particip...