The amount of people who are not in the labor force has continually increased and now it’s at 100 million people!
It looks shocking but when you measure as a % of population it normalizes.
In 1975 this represented 27.7% of US pop
In 2009 this represented 29.9% of US pop
In 2021 it represented 30.5% of US pop
Currently it’s 29.9% of US pop
https://fred.stlouisfed.org/series/LNU05000000
