https://www.pewresearch.org/short-reads/2022/04/20/how-the-american-middle-class-has-changed-in-the-past-five-decades/
You'll need to provide some sources for that. This data suggests that poverty levels haven't varied much in the last 50 years. Middle class has shrunk but this did not appear to impact poverty rates.
The severity of destitution at the bottom of the social order skyrocketed from the late 70s onward thanks to austerity policies.
https://www.pewresearch.org/short-reads/2022/04/20/how-the-american-middle-class-has-changed-in-the-past-five-decades/ You'll need to provide some sources for that. This data suggests that poverty levels haven't varied much in the last 50 years. Middle class has shrunk but this did not appear to impact poverty rates.
You can start with unemployment rates
Unemployment rates are not poverty rates. And those have been pretty stable since 1950. Less than 4% in 2018 and 2019 for example.
https://www.thebalancemoney.com/unemployment-rate-by-year-3305506
The US standards for poverty have been lowered every few years, so it makes sense its low.
Negative. https://en.wikipedia.org/wiki/Poverty_in_the_United_States
Corrected for the redesigned equation (see caption of Figure 4). It's been more or less stable for 50 years.