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The differences between investigation officers and internal affairs investigators can be seen in a few details. Each job has different responsibilities and duties. It typically takes 1-2 years to become both an investigation officer and an internal affairs investigator. Additionally, an investigation officer has an average salary of $66,489, which is higher than the $54,189 average annual salary of an internal affairs investigator.
The top three skills for an investigation officer include criminal justice, patrol and law enforcement agencies. The most important skills for an internal affairs investigator are patrol, background checks, and conduct interviews.
Investigation officers and internal affairs investigators have different pay scales, as shown below.
| Investigation Officer | Internal Affairs Investigator | |
| Average salary | $66,489 | $54,189 |
| Salary range | Between $43,000 And $100,000 | Between $25,000 And $115,000 |
| Highest paying City | - | New York, NY |
| Highest paying state | - | Maryland |
| Best paying company | - | Amazon |
| Best paying industry | - | - |
There are a few differences between an investigation officer and an internal affairs investigator in terms of educational background:
| Investigation Officer | Internal Affairs Investigator | |
| Most common degree | Bachelor's Degree, 60% | Bachelor's Degree, 60% |
| Most common major | Criminal Justice | Criminal Justice |
| Most common college | - | - |
Here are the differences between investigation officers' and internal affairs investigators' demographics:
| Investigation Officer | Internal Affairs Investigator | |
| Average age | 44 | 44 |
| Gender ratio | Male, 72.8% Female, 27.2% | Male, 72.0% Female, 28.0% |
| Race ratio | Black or African American, 11.9% Unknown, 5.0% Hispanic or Latino, 17.0% Asian, 2.8% White, 62.6% American Indian and Alaska Native, 0.7% | Black or African American, 11.7% Unknown, 5.0% Hispanic or Latino, 16.7% Asian, 2.8% White, 63.1% American Indian and Alaska Native, 0.7% |
| LGBT Percentage | 9% | 9% |