Key Takeaways
- Surveillance services account for 41% of U.S. PI billable hours in 2023.
- There were 35,210 private detectives and investigators employed in the U.S. in 2023.
- In 2023, the U.S. private investigator industry generated $8.5 billion in revenue, marking a 4.2% increase from 2022.
- 51 U.S. states require PI licensing, with varying education mandates.
- 68% of U.S. PI firms use GPS tracking devices in 2023 operations.
Private investigators are in strong demand, driven by rising case complexity and steady industry growth.
Related reading
01 · Category
Common Services20 stats
Common Services Interpretation
02 · Category
Employment and Workforce28 stats
Employment and Workforce Interpretation
03 · Category
Market Size and Revenue20 stats
Market Size and Revenue Interpretation
More related reading
04 · Category
Regulations and Challenges21 stats
Regulations and Challenges Interpretation
05 · Category
Technology and Tools20 stats
Technology and Tools Interpretation
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Sophie Moreland. (2026, February 13). Private Investigator Industry Statistics. Gitnux. https://gitnux.org/private-investigator-industry-statistics
Sophie Moreland. "Private Investigator Industry Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/private-investigator-industry-statistics.
Sophie Moreland. 2026. "Private Investigator Industry Statistics." Gitnux. https://gitnux.org/private-investigator-industry-statistics.
Sources & references
72 datasets cited across this report · attribution is report-level

