Introduction

05/31/2010 — 03/31/2025Released MonthlyLast Updated 04/04/2025New Data Expected 05/06/20251 Data Table

The Interest Expense on the Public Debt Outstanding dataset provides monthly and fiscal year-to-date values for interest expenses on federal government debt, that is, the cost to the U.S. for borrowing money (calculated at a specified rate and period of time). U.S. debt includes Treasury notes and bonds, foreign and domestic series certificates of indebtedness, savings bonds, Government Account Series (GAS), State and Local Government Series (SLGS) and other special purpose securities. While interest expenses are what the government pays to investors who loan money to the government, how much the government pays in interest depends on both the total federal debt and the interest rate investors charged when they loaned the money. This dataset is useful for those who wish to track the cost of maintaining federal debt.

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Data Table:

N/A

Date Range:

CSVJSONXML

Dataset Properties

Data Table Name	Field Name	Display Name	Description	Data Type	Is Required
Interest Expense on the Public Debt Outstanding	record_date	Record Date	The date that data was published.	DATE	1
Interest Expense on the Public Debt Outstanding	expense_catg_desc	Expense Category Description	Tier one of a three-tier hierarchy for categorizing interest expense. Indicates whether the interest expense was related to public debt or government account series debt.	STRING	1
Interest Expense on the Public Debt Outstanding	expense_group_desc	Expense Group Description	Tier two of a three-tier hierarchy for categorizing interest expense.	STRING	1
Interest Expense on the Public Debt Outstanding	expense_type_desc	Expense Type Description	Tier three of a three-tier hierarchy for categorizing interest expense.	STRING	1
Interest Expense on the Public Debt Outstanding	month_expense_amt	Current Month Expense Amount	Interest expense for the month.	CURRENCY	1

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API Quick Guide

Endpoint

BASE URL:

https://api.fiscaldata.treasury.gov/services/api/fiscal_service/

ENDPOINT:

FULL URL:

https://api.fiscaldata.treasury.gov/services/api/fiscal_service/

Fields

Refer to Dataset Properties above for a data dictionary with field names and descriptions, as well as notes and known limitations. known limitations.

Field Name	Display Name	Data Type

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Data Types

All data is returned as a string, including nulls. Refer to the chart above for the intended data type of each field.

Interest Expense on the Public Debt Outstanding

Introduction

Reports and Files

Data Preview

Date Range

Dataset Properties

Notes & Known Limitations

API Quick Guide

Interest Expense on the Public Debt Outstanding

Introduction

Reports and Files

Data Preview

Date Range

Dataset Properties

Notes & Known Limitations

API Quick Guide

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