The 3 million richest Americans are wealthier than 291 million

But most Americans today are far worse financially than they were three decades ago, according to a new analysis from the Congressional Budget Office.

In 1989, the year "The Simpsons" first went on the air, the poorest 50% of Americans held 4% of the nation's total wealth.

By contrast, the top 10% of income-earners have increased their take and now hold two-thirds of total wealth in the U.S., with most of the gains concentrated among the top 1%.

Another way to think of it: The 3 million people who make up the wealthiest 1% of Americans are collectively worth more than the 291 million that make up the bottom 90%.

"We are living in a society where the people on top, the billionaire class, is doing phenomenally well, and working people are falling further and further behind," Sanders told CBS Mornings.

For Americans in the the 51st-to-90th percentile by income, retirement funds such as 401(k)s or IRA plans steadily increased as a portion of wealth since 1989. .

For the poorest half, meanwhile, wealth stagnated between 1989 and 2007 and plummeted during the Great Recession, which wiped out trillions in home equity.

But that increase hasn't translated into a higher standard of living for America's poorest.

have some enormously wealthy people, the poorest Americans are worse off than their European counterparts, with a lower standard of living than their peers in Belgium, Denmark, France, Ireland or Germany.

"But the bottom decile struggle by with a standard of living that is worse than the poorest in 14 European countries including Slovenia.".