The erosion of the American tax base

This Marketplace episode explores the growing crisis in the U.S. tax base, driven by a combination of tax cuts, corporate tax avoidance, and political unwillingness to raise revenue despite mounting deficits. Host Kai Rizdal and guest Annie Lowry from The Atlantic trace the erosion of the tax system to decades of bipartisan policy shifts: Republicans embracing complex, revenue-reducing tax breaks like the no-tax-on-tips provision, and Democrats relying heavily on tax credits for social programs instead of broadening the tax base. The result is that 85% of households received tax cuts from the GOP’s 2025 law, while 88 of the largest U.S. corporations paid zero federal income taxes in their most recent fiscal year. With the population aging, immigration declining, and spending on Medicare, Social Security, and long-term care rising, the fiscal imbalance is becoming unsustainable. The episode warns that while the bond market hasn’t yet punished the U.S. for its $1.5–1.8 trillion annual deficits, the risk of a future 'bond catastrophe' looms. At the state and local level, where budgets must be balanced by law, the pressure is even greater, as governments increasingly exempt retirees, tipped workers, and homeowners from property taxes—creating a funding gap that may force austerity. The piece ends with a sobering reflection: we’re not facing a crisis today, but the longer we delay, the more abrupt and damaging the reckoning will be. Meanwhile, the broader economy shows mixed signals—productivity gains from automation and AI, strong stock markets despite war-driven energy shocks, and a housing slump that’s hurting appliance sales—highlighting a disconnect between financial markets and real-world economic stress. Key takeaways include: 1) The U.S. tax base is eroding due to structural policy choices, not temporary conditions; 2) Both parties avoid tax increases, creating a long-term fiscal time bomb; 3) Corporate tax avoidance and political exemptions are undermining public revenue; 4) Aging demographics and stagnant population growth will intensify future fiscal pressure; 5) State and local governments are already feeling the strain of tax revolts; 6) The bond market hasn’t yet reacted, but that could change suddenly; 7) Proactive tax reform now could prevent a future economic jolt; 8) Markets remain detached from physical realities like war and inflation, risking a sudden correction.