Federal Budget Dashboard
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Data Transparency

Data Sources & Methodology

Every number in this dashboard comes from official government sources. Full transparency in our data sourcing, update schedules, and calculations.

Last Updated: January 30, 2026 at 08:00 AM UTC
FY 2017 - FY 2026

Primary Data Sources

These authoritative sources provide the core budget data displayed in this dashboard. All are official government sources with legal reporting mandates.

USAspending.gov
U.S. Department of the Treasury
High ReliabilityVisit Source

The official open data source of federal spending information, mandated by the DATA Act of 2014.

Data We Use

  • Budget authority by agency and function
  • Obligations and outlays
  • Award-level transaction data
  • Historical spending (FY 2017-present)
  • Agency financial statements

Update Frequency

Daily

Data refreshed nightly from agency submissions. New fiscal year data available after October appropriations.

Legal Mandate

Digital Accountability and Transparency Act (DATA Act) of 2014

API Endpoint

https://api.usaspending.gov
Congressional Budget Office (CBO)
U.S. Congress
High ReliabilityVisit Source

Nonpartisan analysis for the U.S. Congress on budgetary and economic issues.

Data We Use

  • Budget projections and baselines
  • Economic forecasts
  • Cost estimates for legislation
  • Long-term budget outlooks
  • Monthly budget reviews

Update Frequency

Varies by report

Major baseline updates in January and May. Monthly budget reviews released 1-2 weeks after month end.

Legal Mandate

Congressional Budget Act of 1974

Office of Management and Budget (OMB)
Executive Office of the President
High ReliabilityVisit Source

Prepares the President's Budget and oversees federal agency budget execution.

Data We Use

  • President's Budget proposals
  • Historical budget tables
  • Mid-session reviews
  • Sequestration reports
  • Agency performance data

Update Frequency

Annual (with supplements)

President's Budget typically released first Monday of February. Mid-session review in July.

Legal Mandate

Budget and Accounting Act of 1921

U.S. Treasury Department
U.S. Department of the Treasury
High ReliabilityVisit Source

Official source for federal debt, revenue, and financial operations data.

Data We Use

  • Daily Treasury Statement
  • Monthly Treasury Statement
  • Debt to the penny
  • Federal revenue collections
  • Interest expense data

Update Frequency

Daily/Monthly

Daily statements published each business day. Monthly statements typically by the 8th of the following month.

Legal Mandate

Treasury reporting requirements

Comparison Unit Sources

To translate budget figures into meaningful comparisons, we use authoritative statistical data from these government and research organizations.

Bureau of Labor Statistics (BLS)

Median wages, employment data, CPI for inflation adjustments

Updates: Monthly/QuarterlyVisit
U.S. Census Bureau

Population counts, household statistics, economic indicators

Updates: Annual (population), Varies (economic)Visit
National Center for Education Statistics (NCES)

Teacher salaries, school funding, education costs

Updates: AnnualVisit
Kaiser Family Foundation (KFF)

Health insurance premiums, healthcare cost data

Updates: AnnualVisit
Federal Reserve (FRED)

GDP data, economic indicators, interest rates

Updates: Varies by seriesVisit

Data Quality Indicators

Throughout the dashboard, we indicate the provenance and reliability of data using these markers.

Primary Source

Data from official government APIs with legal reporting mandates

Calculated

Derived from primary sources using documented methodology

Estimated

Based on projections or incomplete data; noted in context

Update Schedule

Our data pipeline runs on a predictable schedule to ensure accuracy while minimizing latency.

Data TypeSourceFrequencyTypical Delay
Budget AuthorityUSAspending.govDaily1 business day
Spending OutlaysTreasury FMSDaily1 business day
Federal DebtTreasury Fiscal DataDailySame day
Budget ProjectionsCBOSemiannualWithin 24 hours of release
Comparison UnitsBLS, Census, etc.QuarterlyWithin 1 week of release
Inflation AdjustmentsBLS CPI-UMonthlyWithin 3 days of release

Methodology Summary

How we process, validate, and present federal budget data.

Data Processing Pipeline
  1. 1
    Automated Ingestion

    Daily API calls to USAspending.gov and Treasury data sources

  2. 2
    Validation

    Cross-reference totals with OMB and CBO publications

  3. 3
    Normalization

    Standardize agency names, function codes, and fiscal year boundaries

  4. 4
    Aggregation

    Build hierarchical totals for drill-down visualization

  5. 5
    Publication

    Update dashboard with change tracking and audit logs

Comparison Calculations

All comparisons follow a consistent methodology:

Formula

Comparison Units = Budget Amount / Unit Cost

Dollar Values

Nominal dollars unless inflation-adjusted is specified

Time Alignment

Budget and comparison unit data matched to same fiscal year where possible

Rounding

Displayed values rounded for readability; full precision in exports

View Full Methodology Documentation

Dataset Metadata

Current dataset information for research and citation purposes.

Temporal Coverage
Data Start10/1/2017
Data End1/30/2026
Current Fiscal YearFY 2026
Dataset Size
Budget Items15,847
Agencies438
Programs2,891
Export Formats
Version2.1.0
Available FormatsJSON, CSV, API
API Documentation
Citing This Data

When citing data from this dashboard in research or publications, please use the following format:

Federal Budget Dashboard. (2026). [Data set]. Retrieved January 30, 2026 at 08:00 AM UTC from https://budgetdashboard.gov/sources. Data sourced from USAspending.gov, Congressional Budget Office, and Office of Management and Budget.

For specific data points, include the fiscal year and the original source (e.g., USAspending.gov) in your citation.

This is an independent project and is not affiliated with any government agency.

All data is sourced from official government sources and is provided as-is for informational purposes. We make no guarantees about completeness or accuracy.

View full methodology | About this project