CNBC’s Robert Frank joins ‘Squawk on the Street’ to discuss findings from the CNBC millionaires survey, highlighting key takeaways such as the optimism gap between older and younger millionaires, cash holding and expectations for 2023.

Family offices are poised to pour billions into private equity and private companies in 2023 as they seek greater returns and control over their investments, according to family office experts. Family offices plan to allocate more of their money to private equity next year than any other asset class, according to the 2022 North America Family Office Report , from RBC and Campden Wealth. Nearly half (46%) of family offices surveyed say they plan to put more money next year into private equity...

In many cultures, there is an age-old saying that wealth is made and lost in three generations. In the U.S. we say, "shirtsleeves to shirtsleeves in three generations," and in Japan it's "rice paddies to rice paddies in three generations." Wealth, in other words, rarely lasts much beyond the grandkids. Taxes, spending, the dilution of wealth through children and their children's children, and the inevitable spoiling effect of so much money, eventually take a toll on family fortunes. Yet the...

Mark Zuckerberg's wealth status has changed — he's lost more than $9 billion in stock wealth over the past 48 hours. Zuckerberg, who owns about 400 million shares of Facebook, has seen his wealth drop to around $66 billion from $75 billion since the stock closed on Friday, according to the Bloomberg Billionaire's Index and Forbes. This weekend, he was the fourth richest man in the world. Now, he will be sixth or seventh. Of course, losing $9 billion here and there are the least of...

More The world's millionaires, who represent the top 1 percent of the population, now own a record 45 percent of the global wealth and their share is growing, according to a new report. There are now 17.9 million households in the world, up 8 percent from 16.6 million last year, according to a report from The Boston Consulting Group. The U.S. has the most millionaires, with over 7 million millionaire households, with China ranking second with 2.1 million. The world's millionaires own over $75...