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Data.gov

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Federal Governmentdata.govUpdated

Data.gov is the U.S. government's open data site providing metadata about federal datasets to the public.

Overview

Data.gov is the United States government’s open data site that provides metadata about datasets published by federal agencies. It enables public access to government open data, supports transparency, informs decisions by the public and policymakers, drives innovation and economic activity, and helps agencies fulfill their missions. The site does not host the underlying data but aggregates metadata and guidance to publish open data in machine-readable formats, in line with statutory requirements for open data.

Mission statement

To unleash the power of government open data to inform decisions by the public and policymakers, drive innovation and economic activity, achieve agency missions, and strengthen an open and transparent government.

One of 4 AI agents in Federal Government · Read recently by OpenAI, Perplexity, Meta, Amazon

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What we offer

Data.gov

Access a vast catalog of U.S. government datasets to inform decisions and drive innovation.

Pricing not published

data.gov/

Market segments

Market size by segment

Growth potential (CAGR)

Open data catalog

0.15 Billion USD20% CAGR

Platforms that aggregate and index metadata for public datasets to enable discovery, reuse, and transparency across agencies and users.

Products: Data.gov

Catalog metadata API

0.21 Billion USD15% CAGR

APIs and harvest endpoints that expose machine-readable catalog metadata (titles, publishers, links, status) for programmatic discovery, integration, and analytics.

Products: Data.gov

Geospatial data discovery

2.5 Billion USD13.5% CAGR

Capabilities that index and surface metadata for geospatial datasets to support location-based search, mapping, and spatial analysis.

Products: Data.gov

Open data publishing and governance

0.8 Billion USD19% CAGR

Guidance, standards, and publisher-facing features that support consistent metadata, licensing, harvesting, and quality feedback workflows for public-sector data.

Products: Data.gov

More information about our offering

Data.gov

Data.gov is the United States government’s open data platform and metadata catalog. It provides information about federal datasets and links to where the data is published but does not host the underlying data. The catalog supports dataset discovery by geography, topic, keyword, and publishing agency. Built on open source software (CKAN), it also offers APIs to access catalog metadata and harvest data from agencies.

Pricing not published

  • Access Catalog Metadata Programmatically
    Utilize APIs to programmatically access and harvest metadata for datasets, facilitating integration into applications and services.
  • Easily Find Relevant Datasets
    Facilitates quick access to datasets based on specific parameters, enhancing user experience and efficiency.
  • Centralized Dataset Access
    Consolidates metadata from various federal agencies to facilitate efficient data discovery while ensuring the data is managed by respective agencies.
  • Access Dataset Metadata
    Retrieve detailed information on federal datasets, facilitating better data discovery and utilization.
  • Leverage Open Source Technology
    Benefit from a flexible, open, and community-supported platform for managing government datasets.
  • Gain Insight Without Downloading Datasets
    Focus on obtaining metadata supporting data governance and application development.
  • View Detailed Dataset Information
    Access comprehensive metadata for each dataset, including key information that helps users understand and evaluate dataset relevance.
  • Utilize Comprehensive API Documentation
    Detailed documentation and a straightforward registration process ensure users can easily integrate the API into their applications.
  • Integrate Harvest Data Effortlessly
    Access and manage data harvested from various federal agencies, allowing for streamlined dataset updates and maintenance.
  • Support for Data Publishers
    Assists agencies in effectively publishing their datasets, ensuring consistency and compliance with open data standards.
  • Access Geospatial Metadata
    Facilitates the location-based analysis and visualization of government datasets.
  • Access Geospatial Data
    Facilitates the discovery and use of datasets tied to specific geographic locations.
  • Enhance Dataset Quality
    Empowers users to contribute to dataset improvements, ensuring the reliability and relevance of published data.

Sources

Methodology and sourcing behind the figures and links shown above.

Open data catalog

Multiple market reports in the search results place the global data catalog market in the mid‑2020s between roughly USD 0.85–3.0 billion with CAGRs in the mid‑teens to low‑20s. I used those reports as the basis and estimated the narrower "open data catalog" (public/open dataset catalogs) is a subset of the broader data catalog market; conservatively assumed a ~10% share of the 2026 market (approx. USD 1.5B consensus), yielding ~USD 0.15B. Growth potential aligned to the cited market CAGR range (rounded to 20%).

Catalog metadata API

Estimates use published data-catalog market sizes (2025–2026) from multiple industry reports and assume the “catalog metadata API” product subset represents ~15% of total data-catalog spend (functional/API capability share of platform revenue). Catalog market reports cluster around ~USD 1.3–1.4B (2025–2026); applying a 15% share yields ~USD 0.21B. Growth potential is set slightly above the catalog market CAGR (reported 12–15% in major sources) at ~15% CAGR owing to accelerating API-driven integration, regulatory data-sharing requirements, and AI-led metadata automation which favor programmatic endpoints.

Geospatial data discovery

Estimated geospatial data discovery market by triangulating (a) the global geospatial analytics market (USD 102.45B, CAGR ~12.9%) and (b) the broader data-discovery market (USD ~17–20B, CAGR ~15.6–15.7%). Geospatial discovery is a specialist subset of both markets (metadata/catalog/cataloging, catalog services, and discovery within geospatial analytics). Using a conservative share (roughly mid-point of plausible ranges from 2–5% of geospatial analytics and 10–20% of data-discovery spend) yields an approximate market size of USD ~2.5B and an expected CAGR between geospatial analytics and data-discovery growth rates (~13–14%).

Open data publishing and governance

Multiple industry reports place the global data governance market at roughly USD 4.3–5.7 billion (2025–2026) with CAGRs in the mid‑teens to low‑twenties. Open data publishing and governance (public‑sector publisher-facing capabilities) is a niche subset of that market; assuming a ~15% share of total data governance spend (public‑sector catalogues, portal tooling, licensing/metadata workflows), the segment is estimated at ~USD 0.8 billion. Growth potential is aligned with the broader market drivers (regulatory mandates, public‑sector data modernization and DGA/PSI initiatives), so a near‑market CAGR (estimated ~19%) is expected.

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