Quick Read
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Federal interest payments of $1.28 trillion already outpace the $949 billion defense budget, with Musk banking on TSLA’s Optimus robot as his fix.
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The 10-year yield surged from 3.97% in February to a 52-week high of 5.29%, raising the cost of every bond Treasury refinances.
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AI only shrinks the debt if GDP outpaces borrowing costs, productivity gains reach the tax base, and new spending doesn’t absorb the windfall.
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Elon Musk’s argument that Washington spends more on interest than on defense is spreading again, so the date matters. The remarks came during the February 5, 2026 episode of the Dwarkesh Podcast, in a conversation with Dwarkesh Patel and Stripe’s John Collison. In the eight months since, borrowing costs have rose. The 10-year Treasury yield stood at 5.24% on October 1, and the Federal Reserve has raised rates for the first time since 2023.
What Musk Said About the Debt in February
Musk framed the debt as an emergency that only technology can fix: “In the absence of AI and robotics, we’re actually totally screwed because the national debt is piling up like crazy. Now our interest payments, the interest payments to national debt, exceed the military budget, which is a trillion dollars. So we have over a trillion dollars just in interest payments.”, according to Tesla
He then laid out the second half of his argument: “Without AI and robots, nothing else will solve the national debt. We need enough time to build the AI and robots and not go bankrupt before then.”
Musk’s Interest Math Holds Up on One Measure but Not Another
Government data from the Bureau of Economic Analysis supports his main comparison. Federal interest payments reached $1,279.7 billion in the April 1, 2026 quarterly reading, according to the St. Louis Fed’s FRED database. National defense consumption spending came in at $949.0 billion. That leaves interest ahead of defense by roughly $330.7 billion.
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His “over a trillion” figure needs one qualification. On Treasury’s fiscal-year budget basis, interest spending totaled $970.1 billion in fiscal 2025, which is just under the trillion mark. The trend points his way, though. That figure rose 103.8% from $475.9 billion in fiscal 2022. The defense figure also covers national defense consumption only, so it may leave out some appropriations and supplemental spending.