 And what was it possible to promise them? In Washington, Mike Emanuel, Fox News. Gen Z is in debt. That's according to a new analysis from online marketplace LendingTree. Among those living in the 100 largest metro areas, the median percentage of Gen Zers with debt is just over 97%. The median non-mortgage debt of those Gen Zers is over $16,000. The analysis showed that they were most likely to have credit card debt than any other type.