EDIT v2: Had to manually reinsert images
EDIT v1: I had a few clarifications that needed to be made so I snipped my post and pasted it back with the required changes. This is lengthy, but you have been inquiring on a topic that isn't able to be answered in a few sentences. If you have further questions I expect you to seek out the information as the time investment for economic debates is beyond the scope of what the original topic of discussion is supposed to be and this is not something I'm wanting to debate as most aren't genuinely desiring discussion, but to just continuously move goalposts.
No first you need to define upper class before you try to make such as claim. Wages for middle class have been stagnant. This isn't an opinion. It's fact.
https://www.pewresearch.org/fact-ta...-ground-financially-to-upper-income-families/
The 2018 piece from Pew reported that, in 2016, the median
income for the upper-
income class was $187,872. While for the middle
class, it was $78,442, and for the
lower class, it was $25,624.
The vast, and I do mean vast majority of middle-class families will never become upper class. A good indicator for how a group is doing is by using median income.
A growing Wealth inequality is demonstrated as on the rise due to an increase in low and upper class but dwindling of middle class. In healthy economies we would like to see an increase of both middle-class and upper-class with the median income of all three increasing.
What we are experiencing is negative for the health of our economy. The median income for the upper class has ~60% growth, middle class 43% growth and lower class 36% growth in median income. If we account for cumulative inflation it can easily be determined that we are in a stagnation by examining our purchasing power.
$1 dollar in 1970 is worth over $6 dollars today ("In other words,
$1 in 1970 is equivalent in purchasing power to about $6.19 in 2016, a difference of $5.19 over 46 years. ")
Actual growth rates from 1970 - 2018
1.36 lowerclass median income growth
1.43 middleclass median income growth
1.583 upperclass median income growth
While we can observe a decent gap in growth, but maybe 50 years is too far back to hold validity. Let's examine inflation and growth rate of median income of growth since the 90s.
$1 dollar in 1990 is worth almost $2 dollars today ("In other words, $100 in
1990 is equivalent in purchasing power to about $192.12 in 2018, a difference of $92.12 over 28 years.")
Actual growth rates from 1990 - 2018
1.110 lowerclass median income growth
1.139 middleclass median income growth
1.223 upperclass median income growth
Whether you look at 50 years back or just only 30. We have a significant shortfall in growth in wages for those not in the upper income classification. But wait, who has had growth in median income that reflected the amount equivalent in purchasing power? Those who aren't working jobs, but that are investors and live off investments. CEO compensation vs worker compensation is another concerning disparity that is often mentioned as well.
https://www.epi.org/publication/ceo-compensation-2018/
"From 1978 to 2018, CEO compensation grew by 1,007.5% (940.3% under the options-realized measure), far outstripping S&P stock market growth (706.7%) and the wage growth of very high earners (339.2%). In contrast, wages for the typical worker grew by just 11.9%."
Let’s start looking at median net-worth of each income then to see how the disparity of wage effects families net-worth over time. So what issue are we facing? A growing gap in the wealth of upper-income families to lower-income families and middle-income families.
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To those who can afford to start their own business or invest more than 30% of their annual income in diversified stocks, sure they will potentially benefit from the current status quo. The rest will not. If the economic structure isn't benefiting the majority, then our society is becoming 'poorer'. That's just how that works. It may seem absurd at first to see those figures. Think oh sure in the 70s, lower income families had as much purchasing power as upper middle-class families today but think about it. Most people didn't need to take out 30year loans to afford a home, owned more land, boats. Now more and more people are in rent controlled homes, can't get approved to purchase their first home without a cosign from their parents or waiting 5+ years after joining the workforce just to afford a down-payment - a down-payment! People I grew up with were able to self-finance the entire construction of their home during that time and it be paid off!
Sigh... look, this is a sincere concern as I see communities who didn't grow up with the silver spoon I shoved in my families' mouth. I don't think the majority of the youth are better off today than they were a few decades ago. Place your blame on the immigrants or people on welfare but they aren't the ones who siphoned up all the wages of most Americans. Most people in my generation have decided they earned what they earned and are willing to shore up what's left of it and tune out the concerns and pleas of the younger generations. Be thankful there are some who haven't.
I've said my peace on the economic state the Country is in. I'm sure people will bring up convenient distractions to try to explain away how Americans weren't robbed over the past years, but all the evidence is there. This is why you have 'radicals' who want to substantially increase taxes on corporations and the wealthy. To revert taxation back to where it was in the 70s, prior to Reagan tax cuts, which would lessen the effective tax burden on the middle class to increase discretionary income, small business ventures, and fund societal resources that have been starved for generations.
Caveat/advanced rebuttal to data selection: There are models that attempt to broaden the middle-class by increasing the upper limit to 250k, while it increases the number of families proportionally that are 'middle-class' it actually only further exacerbates the wealth inequality and growth rate of income from upper-class vs lower-class and middle-class. With the exception of places with extremely high cost of living like New York City or Los Angeles, I find that to be a poor model of definition as it doesn't apply well to the majority of America.