The federal debt reached $40 trillion as the government adds red ink at a rapid rate. That's leading nervous investors to demand higher interest rates —pushing up borrowing costs for everyone else.
Source: [NPR News](https://www.npr.org/2026/08/19/nx-s1-5937552/the-u-s-debt-tops-a-record-shattering-40-trillion-yes-with-a-t)