Interest expense on the public debt (monthly, $B)

Latest value: 132.62 usd_bn as of 2026-05-01, +43.8% year over year. 101 monthly observations from 2018-01 to 2026-05. Source: Treasury FiscalData — public data, full history downloadable as JSON on this page. Part of the Nowflation open directory.

DateValue
2026-05-01132.62
2026-04-01111.6
2026-03-01102.64
2026-02-0193.48
2026-01-0171.89
2025-12-01154.37

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