Home > Reports > Audit of Data Collection and Quality Control Procedures for the Census Bureau’s American Community Survey
| Date Issued | March 10, 2026 |
|---|---|
| Report Number | OIG-26-010-A |
| Report Type | Audits / Evaluations, Census Reading Room |
| Description |
Our audit found that the bureau did not effectively implement its data collection and quality control procedures to ensure that ACS estimates were reliable. Specifically, the bureau did not sufficiently monitor ISR data collection procedures and did not effectively implement personal visit data collection and quality control procedures. |
| View Abstract | OIG-26-009-I_Abstract_SECURED.pdf |
| View Announcement | 2023-08-23_-ACS_Announcement-SECURED.pdf |
| View Report | OIG-26-010-A_FinalReport-SECURED.pdf |
