(Note: A version of this episode originally ran in <a href="https://www.npr.org/2024/06/07/1197959252/debt-gdp-ratio-growth-united-states"target="_blank" >2024</a>.) $40,000,000,000,000. Four commas. Thirteen zeroes. It’s an eye-popping, almost infinite-sounding pile of money. And every time the debt passes a big round number, almost everyone asks the same question: How much debt is too much? It’s maybe the most important question in macroeconomics. It’s also surprisingly hard to answer. When two economists tried to answer it back in 2010, it ignited a research slugfest that lasted a decade.  We did a show on this question in 2024, outlining everything we know and don’t know about when the national debt becomes a problem. But a lot has changed. Interest rates have risen and stayed high. Spending has steamrolled ahead. Doves have become hawks.  So on today’s show, we update our 2024 episode to revisit the age-old question: Is our debt finally too much?  Read Planet Money:  <ul class="rte2-style-ul"><li>Our book: <a href="https://lnk.to/i3AukBdD"target="_blank" >Planet Money: A Guide to the Economic Forces That Shape Your Life</a> </li><li>Our weekly longform <a href="https://n.pr/3zrFvUB"target="_blank" >Planet Money newsletter</a></li><li>Our weekly <a href="https://www.npr.org/newsletter/indicator"target="_blank" >Indicator round-up newsletter</a></li></ul>Follow:  <ul class="rte2-style-ul"><li><a href="https://n.pr/3FqLuws"target="_blank" >Instagram</a></li><li><a href="https://n.pr/3sGZdrq"target="_blank" >TikTok</a></li><li><a href="https://lnk.to/iCVDaW3C"target="_blank" >YouTube</a></li><li><a href="https://n.pr/3h92GwS"target="_blank" >Facebook</a></li></ul>Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include bonus episodes and sponsor-free listening. Learn more at<a href="http://plus.npr.org/"target="_blank" > plus.npr.org</a>. Our original episode was produced by Willa Rubin and edited by Molly Messick. This update was reported and produced by Vito Emanuel. It was fact checked by Sierra Juarez. It was engineered by Kwesi Lee. And it was edited by Alex Goldmark, Planet Money’s executive producer.  See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

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Is our national debt finally too much? (update)

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