FHFA: National Mortgage Database (NMDB®) Aggregate Statistics

Principal Investigator(s):  View help for Principal Investigator(s) Federal Housing Finance Agency

Version:  View help for Version V2

Name File Type Size Last Modified
national_mortgage_database_aggregate_statistics.zip application/zip 233 MB 02/20/2025 12:46:PM

Project Citation: 

Federal Housing Finance Agency. FHFA: National Mortgage Database (NMDB®) Aggregate Statistics. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2026-04-03. https://doi.org/10.3886/E220243V2

Project Description

Project Title:  View help for Project Title FHFA: National Mortgage Database (NMDB®) Aggregate Statistics
Summary:  View help for Summary
The National Mortgage Database (NMDB®) is a nationally​​ representative five percent sample of residential mortgages in the United States. Publication ​of aggregate data from NMDB is a step toward implementing the statutory requirements of section 1324(c) of the Federal Housing Enterprises Financial Safety and Soundness Act of 1992, as amended by the Housing and Economic Recovery Act of 2008. The statute requires FHFA to conduct a monthly mortgage market survey to collect data on the characteristics of individual mortgages, both Enterprise and​ non-Enterprise, and to make the data a​vailable to the public while protecting the privacy of the borrowers.​

Notes:
  • 1) All CSV file headers are now standardized as described in the Data Dictionary and Technical Notes and all CSV files are zipped.
  • 2) Alternate wide format CSV files are available. The wide format may be more easily opened by MS Excel.
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Microdata: Yes
Level of Analysis: Groups - (States by) Months; States, National; Local - Metro Area
Variables Present: Yes
File Layout: .csv
Codebook: Yes
Methods: Yes
Weights (with appropriate documentation): Yes
Publications: No
Aggregate Data: No
Original Distribution URL:  View help for Original Distribution URL https://www.fhfa.gov/data/national-mortgage-database-aggregate-statistics

Scope of Project

Subject Terms:  View help for Subject Terms mortgages
Geographic Coverage:  View help for Geographic Coverage United States
Time Period(s):  View help for Time Period(s) 1998 – 2024


Related Publications

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Published Versions

V2 [2026-04-03]

V1 [2025-02-20]

Export Metadata

Dublin Core

DDI 2.5

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This material is distributed exactly as received from the data depositor. ICPSR has not reviewed, checked, or processed this material. For additional information about the study, please contact the investigator(s) directly. If you have questions about the accessibility of materials distributed by ICPSR or require further assistance, please visit ICPSR's Accessibility Center.