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About Our Data

We oversee the Department of Homeland Security’s (DHS) statistical reporting standards and ensure consistency in reporting to the public. To fulfill our responsibilities, OHSS reports and data must:

  • Meet rigorous data quality standards, reflecting consistent reporting methodologies and definitions;
  • Be credible and free from political influence;
  • Be published on a regular and predictable schedule; and
  • Be available in digital formats and released with the greatest possible granularity, consistent with appropriate privacy and law enforcement protections.

Report terminology changes over time. Reports and datasets retain the terminology as originally approved and published.

Last updated: March 19, 2025