The U.S. national debt has now passed a major milestone, rising above the size of the entire economy.As of March 31, federal debt held by the public reached about $31.3 trillion, slightly exceeding the annual GDP of roughly $31.2 trillion, putting the debt-to-GDP ratio just over 100%.This is the first time the U.S. has sustained that level since the years following World War II.The government is currently running large deficits, spending far more than it collects. For every $1 in revenue, it spends about $1.33, with this year’s deficit projected at around $1.9 trillion.While crossing the 100% mark doesn’t trigger an immediate crisis, economists see it as a clear sign of growing fiscal pressure.The national debt just exceeded 100% of GDP for the first time since 1946: https://t.co/VSDBUUTaUH pic.twitter.com/95ff7qRwJG— Scott Lincicome (@scottlincicome) April 30, 2026One of the biggest concerns is interest costs. About one in seven dollars of federal spending now goes toward paying interest on the debt, and that share is expected to rise if interest rates increase.Unlike temporary spikes seen during crises such as the pandemic, current debt levels are being driven by long-term factors.These include rising costs for programs like Social Security and Medicare, along with lower tax revenues following recent tax cuts.Forecasts suggest the trend will continue. US National Debt:2011: $14.79T2012: $16.06T2013: $16.73T2014: $17.82T2015: $18.15T2016: $19.57T2017: $20.24T2018: $21.51T2019: $22.71T2020: $26.94T2021: $28.42T2022: $30.92T2023: $33.20T2024: $36.06T2025: $38.50T2026: $39.07T (so far)That’s an…— Watcher.Guru (@WatcherGuru) April 20, 2026The Congressional Budget Office estimates debt could reach around 120 percent of GDP within the next decade, and climb significantly higher in the decades that follow if no genuine reforms are implemented.The U.S. does benefit from the dollar’s status as the world’s reserve currency, which makes it easier to borrow than most countries.However, economists have warned that this also brings drawbacks, and higher debt levels could eventually push up borrowing costs across the entire economy.Maya MacGuineas, president of the Committee for a Responsible Federal Budget, said the borrowing was the result of a “total bipartisan abdication of making hard choices.”“The higher we allow our debt to grow, the more we erode our own prosperity and that of future generations,” she said.“Rising debt compromises affordability by slowing income growth, pushing up interest rates, and increasing inflationary pressures. Debt squeezes our budgets with massive interest costs.”Stabilizing the situation will ultimately require a combination of spending restraint, higher revenues, or stronger economic growth.There are many theories about what will happen should America be unable to pay off its national debt and none of them are pretty.At a minimum, borrowing costs would surge as investors demand higher returns, pushing up interest rates across the economy.That could trigger higher inflation, a weaker dollar, and reduced investment.In a worst-case scenario, a loss of confidence in U.S. finances could lead to market instability and a broader economic crisis, forcing painful choices between spending cuts, tax increases, or continued borrowing.What Happens When America’s Debt Bomb Explodes?/*! This file is auto-generated */!function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i