US Treasury Monthly Statement Of The Public Debt — Debt Outstanding By Security Class, Monthly 2001–2026

DatasetCSV.GZOpenTreasuryPublic DebtMspdFiscalFixed IncomeMonthlyFree

4,659 month-end rows from Table 1 of the Monthly Statement of the Public Debt: debt held by the public, intragovernmental holdings and the total, in USD millions, for 17 security classes (bills, notes, bonds, TIPS, floating rate notes, Federal Financing Bank, Domestic, State and Local Government and Government Account Series, savings securities) plus the marketable, non-marketable and total public debt subtotals, from the Treasury's Fiscal Data API as of 2026-09-06. Subtotal rows have a blank security class.

Use Cases

Treasury issuance-mix and duration analysis
Bills-versus-coupons supply tracking
Fiscal sustainability research

Methodology

Paged fetch of the Fiscal Data mspd_table_1 endpoint in table line order; the source's "_" placeholder for subtotal rows is blanked.

Update Schedule

Static snapshot. Published on the fourth business day of each month for the prior month end; refresh weekly.

Attribution

Source: U.S. Department of the Treasury, Bureau of the Fiscal Service (public domain).

Schema

name	type
record_date	date
security_type_desc	string
security_class_desc	string
debt_held_by_public_usd_millions	number
intragovernmental_holdings_usd_millions	number
total_usd_millions	number

Sample Data

record_date	security_type_desc	total_usd_millions	security_class_desc	debt_held_by_public_usd_millions	intragovernmental_holdings_usd_millions
2001-01-31	Marketable	656148.477	Bills	656148.477	0
2001-01-31	Marketable	1555058.155	Notes	1555056.155	2
2001-01-31	Marketable	623829.479	Bonds	623370.158	459.321
2001-01-31	Marketable	88312.716	Inflation-Indexed Notes	88312.716	0
2001-01-31	Marketable	38978.946	Inflation-Indexed Bonds	38978.946	0

Get this via API

# 1. Add dAgentBase once, in any MCP client. No install, no vendor keys.
#    Claude.ai / Claude Desktop: Settings -> Connectors -> Add custom connector
#    Cursor / Claude Code / others: mcp.json
{
  "mcpServers": {
    "dagentbase": {
      "url": "https://dagentbase.com/api/mcp",
      "headers": { "Authorization": "Bearer dm_live_YOUR_KEY" }
    }
  }
}

# 2. Then ask your agent, in plain language:
#    "Preview 'US Treasury Monthly Statement of the Public Debt — Debt Outstanding by Security Class, Monthly 2001–2026' and, if it fits, claim it and download the files."
#    Tools it will use: search_listings -> preview_listing -> purchase_listing -> get_download_urls

# 1. Add dAgentBase once, in any MCP client. No install, no vendor keys.
#    Claude.ai / Claude Desktop: Settings -> Connectors -> Add custom connector
#    Cursor / Claude Code / others: mcp.json
{
  "mcpServers": {
    "dagentbase": {
      "url": "https://dagentbase.com/api/mcp",
      "headers": { "Authorization": "Bearer dm_live_YOUR_KEY" }
    }
  }
}

# 2. Then ask your agent, in plain language:
#    "Preview 'US Treasury Monthly Statement of the Public Debt — Debt Outstanding by Security Class, Monthly 2001–2026' and, if it fits, claim it and download the files."
#    Tools it will use: search_listings -> preview_listing -> purchase_listing -> get_download_urls

Free

one time · open license

Details

Date Range2001-01-31 — 2026-08-31

Rows4,659

Size77.5 KB

Files1

FormatCSV.GZ

Available formats

CSV.GZ77.5 KB

Freeopen