Career comparison
Detective vs. Private Investigator
Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.
Detectives earn more at the median ($93,790 vs. $51,220), while private investigators usually get to work faster (1–3 years of experience of training). Detectives investigate crimes, gather evidence and build cases that hold up in court. Private investigators find facts, people and evidence for clients, lawyers and businesses.
Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026
| Detective | Private Investigator | |
|---|---|---|
| Median pay | $93,790 ($45.09/hr) | $51,220 ($24.62/hr) |
| Pay range (10th–90th) | $55,390 – $160,540 | $36,740 – $97,630 |
| Job growth, 2025–35 | +0.2% (little or no change) | +5.5% (faster than average) |
| Openings per year | 7,800 | 3,200 |
| Typical entry education | High school diploma or equivalent | High school diploma or equivalent |
| Training time | 3–5 years as a police officer | 1–3 years of experience |
| Key credential | State peace officer certification | State private investigator license |
| Work setting | Detectives work in offices, in the field, at crime scenes and in court, sometimes in dangerous situations.. | PIs work in offices, cars and the field, sometimes for long hours waiting and watching. |
What each job does
Detective
- Investigate crimes and review case reports
- Process scenes and collect evidence
- Interview victims, witnesses and suspects
- Write search and arrest warrants
- Analyze records, video and digital evidence
Private Investigator
- Conduct surveillance
- Research public records and databases
- Run background checks
- Locate people and assets
- Interview witnesses and subjects
How they’re similar
Both careers involve problem-solving, working independently, and working outdoors. Both are part of the public safety & security field, so many skills transfer between them.
Which should you choose?
Choose detective if…
- I love solving puzzles
- I’m persistent
- I can talk with all kinds of people
Choose private investigator if…
- I’m patient and observant
- I like finding information
- I can work alone
Still torn? Take the Detective fit quiz and the Private Investigator fit quiz, or the full Career Match Quiz.
Quick comparisons
Which pays more, detective or private investigator?
Detectives earn more at the median: $93,790 versus $51,220 for private investigators, based on BLS May 2025 data.
Which takes less time to train for?
Private Investigators typically train faster (1–3 years of experience) than detectives (3–5 years as a police officer).
Which career has better job growth?
BLS projects private investigators to grow +5.5% from 2025–35, compared with +0.2% for detectives.