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Detectives and Criminal Investigators vs First-Line Supervisors of Correctional Officers: what changes?

Consider Detectives and Criminal Investigators if you want to conduct investigations related to suspected violations of federal, state, or local laws to prevent or solve crimes. Consider First-Line Supervisors of Correctional Officers if you would rather directly supervise and coordinate activities of correctional officers and jailers. Both list high school diploma or equivalent; compare training and prior experience separately. Prior experience in a related occupation is typically needed for Detectives and Criminal Investigators (less than 5 years) and First-Line Supervisors of Correctional Officers (less than 5 years).

Try this next: Compare three local entry-level postings for Detectives and Criminal Investigators and First-Line Supervisors of Correctional Officers. List the duties, credentials, prior experience, and paid training each employer actually asks for. Try a supervised class or sample project from each field before choosing a program.

BLS 2025 wages and 2025–2035 projections. National medians are not starting offers. Occupation size is not a count of vacancies. View the BLS data.

Compare the practical differences
What this means in practice

The facts most likely to affect your decision

Start with earnings, the route into the job, training, available openings, and a day-to-day reality.

Detectives and Criminal Investigators

National median pay (2025)
$93,790
Route into the job
High school diploma or equivalent; Prior related experience: less than 5 years; More than one month and up to 12 months of on-the-job training, in addition to any qualifying education or licensing
Prior related experience
Prior related experience: less than 5 years.
Training and licensing
More than one month and up to 12 months of on-the-job training, in addition to any qualifying education or licensing.
Work to investigate
Check victims for signs of life, such as breathing and pulse.
Annual openings (2025–2035)
7,800
Know before you choose

BLS lists less than 5 years of related experience. This is normally reached through feeder roles, not directly from school.

See the full Detectives and Criminal Investigators brief

First-Line Supervisors of Correctional Officers

National median pay (2025)
$77,970
Route into the job
High school diploma or equivalent; Prior related experience: less than 5 years
Prior related experience
Prior related experience: less than 5 years.
Training and licensing
BLS does not list a separate on-the-job training requirement. Employers may still provide orientation and role-specific training.
Work to investigate
Take, receive, or check periodic inmate counts.
Annual openings (2025–2035)
3,700
Know before you choose

BLS lists less than 5 years of related experience. This is normally reached through feeder roles, not directly from school.

See the full First-Line Supervisors of Correctional Officers brief
See scores, detailed data, and how the comparison works

How the national numbers differ

1

Detectives and Criminal Investigators has the edge on annual openings

Detectives and Criminal Investigators is at 7,800 annual openings, compared with 3,700 annual openings for First-Line Supervisors of Correctional Officers.

2

Detectives and Criminal Investigators has the edge on median pay

Detectives and Criminal Investigators is at $93,790, compared with $77,970 for First-Line Supervisors of Correctional Officers.

3

Detectives and Criminal Investigators has the edge on projected growth

Detectives and Criminal Investigators is at 0.2% projected growth, compared with -2.5% projected growth for First-Line Supervisors of Correctional Officers.

56.4/ 100

Detectives and Criminal Investigators

vs
46.2/ 100

First-Line Supervisors of Correctional Officers

Each available metric is ranked from 0 to 100 against the careers on ChooseField. The weighted average uses this profile: pay 30%, growth 25%, openings 30%, preparation level 15%. Missing values are not scored as zero; their weights are redistributed across available metrics. Occupation size has zero weight: employment is not accessible vacancies. Preparation categories do not measure admission difficulty or years without earnings. The score summarizes national measures; local opportunities and personal fit still need separate consideration.

Detailed evidence

Detectives and Criminal Investigators vs First-Line Supervisors of Correctional Officers

DimensionDetectives and Criminal InvestigatorsFirst-Line Supervisors of Correctional Officers
Median pay (2025)$93,790$77,970
Pay percentile78.6 percentile68.8 percentile
Projected growth (2025–2035)0.2%-2.5%
Annual openings (2025–2035)7,8003,700
2025 employment120,50056,300
How you qualifyHigh school diploma or equivalent; Prior related experience: less than 5 years; More than one month and up to 12 months of on-the-job training, in addition to any qualifying education or licensingHigh school diploma or equivalent; Prior related experience: less than 5 years
O*NET preparation groupJob Zone 3Job Zone 3
Related work experiencePrior related experience: less than 5 years.Prior related experience: less than 5 years.
On-the-job trainingMore than one month and up to 12 months of on-the-job training, in addition to any qualifying education or licensing.BLS does not list a separate on-the-job training requirement. Employers may still provide orientation and role-specific training.

The table reports national benchmarks and reviewed work descriptions. It does not rate personal suitability, job security, or physical safety.