Career comparison
Private Investigator vs. Security Guard
Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.
Private investigators earn more at the median ($51,220 vs. $38,020), while security guards usually get to work faster (Days to 2 weeks of training). Private investigators find facts, people and evidence for clients, lawyers and businesses. Security guards protect people and property by observing, patrolling, controlling access and reporting.
Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026
| Private Investigator | Security Guard | |
|---|---|---|
| Median pay | $51,220 ($24.62/hr) | $38,020 ($18.28/hr) |
| Pay range (10th–90th) | $36,740 – $97,630 | $30,210 – $58,840 |
| Job growth, 2025–35 | +5.5% (faster than average) | +0.9% (little or no change) |
| Openings per year | 3,200 | 156,000 |
| Typical entry education | High school diploma or equivalent | High school diploma or equivalent |
| Training time | 1–3 years of experience | Days to 2 weeks |
| Key credential | State private investigator license | State guard card or security license |
| Work setting | PIs work in offices, cars and the field, sometimes for long hours waiting and watching. | Security guards work indoors and outdoors at many kinds of sites, sometimes alone. |
What each job does
Private Investigator
- Conduct surveillance
- Research public records and databases
- Run background checks
- Locate people and assets
- Interview witnesses and subjects
Security Guard
- Patrol buildings and grounds on foot or in vehicles
- Control access and check credentials
- Monitor CCTV cameras and alarm systems
- Respond to alarms, disturbances and emergencies
- Enforce site rules and post orders
How they’re similar
Both careers involve working independently, working outdoors, and in-demand. Both are part of the public safety & security field, so many skills transfer between them.
Which should you choose?
Choose private investigator if…
- I’m patient and observant
- I like finding information
- I can work alone
Choose security guard if…
- I’m observant and notice when something is off
- I stay calm in tense situations
- I’m reliable and punctual
Still torn? Take the Private Investigator fit quiz and the Security Guard fit quiz, or the full Career Match Quiz.
Quick comparisons
Which pays more, private investigator or security guard?
Private Investigators earn more at the median: $51,220 versus $38,020 for security guards, based on BLS May 2025 data.
Which takes less time to train for?
Security Guards typically train faster (Days to 2 weeks) than private investigators (1–3 years of experience).
Which career has better job growth?
BLS projects private investigators to grow +5.5% from 2025–35, compared with +0.9% for security guards.