Published Nov 21, 2025 Federal Audit Insight

Material Weakness vs. Significant Deficiency

Demystifying the severity levels. What's the difference and why does it matter?

Material Weakness vs. Significant Deficiency

Not all findings are created equal.

The Data

  • Significant Deficiencies: ~200,000 occurrences. These are common.
  • Material Weaknesses: ~138,000 occurrences. These are serious.

The Definitions

  • Significant Deficiency: A deficiency that is less severe than a material weakness, yet important enough to merit attention by those charged with governance. It's a warning.
  • Material Weakness: A deficiency such that there is a reasonable possibility that a material misstatement of the entity's financial statements or compliance requirements will not be prevented, or detected and corrected, on a timely basis. It's a siren.

The Takeaway: A Material Weakness suggests your system is broken. A Significant Deficiency suggests your system needs a tune-up. Treat a Material Weakness as a crisis that requires immediate, structural change.

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