Violent Crime · National · FY2015–FY2024
Manslaughter
How U.S. federal courts sentence manslaughter cases, typical sentence length, guideline range and compliance, and the districts that depart most, from USSC case-level data.
- 79.2
- Avg months FY2024
- above the national average
- 111
- Federal cases
- 45%
- Within guidelines
- typical guideline adherence
- 77%
- Guilty plea
According to the U.S. Sentencing Commission (USSC), 111 federal defendants were sentenced for manslaughter in FY2024, at an average of 79.2 months. Every figure on this page is computed from the USSC's case-level Individual Offender Datafiles; see our methodology for how each is derived.
The verdict
Nationwide, Manslaughter drew an average federal sentence of 79.2 months across 111 cases in FY2024, with 45% sentenced inside the guideline range.
- 79 mo
- Average sentence, FY2024
- 60–74 mo
- Typical guideline range
- 45%
- Within guideline range
- 77%
- Resolved by guilty plea
National Trends (FY2015–FY2024)
| Year | Cases | Avg (mo) | GL Min | GL Max | Within GL | Above GL | Below GL |
|---|---|---|---|---|---|---|---|
| FY2024 | 111 | 79.2 | 60.1 | 73.9 | 45% | 30% | 25% |
| FY2023 | 86 | 77.1 | 61.4 | 75.5 | 44% | 31% | 25% |
| FY2022 | 79 | 88.8 | 64.2 | 78.7 | 42% | 39% | 19% |
| FY2021 | 56 | 69.7 | 64.3 | 77.7 | 38% | 25% | 36% |
| FY2020 | 38 | 62.8 | 53.7 | 64.8 | 62% | 18% | 21% |
| FY2019 | 73 | 73.4 | 57.8 | 70.1 | 53% | 23% | 24% |
| FY2018 | 61 | 67.1 | 51.8 | 63.2 | 56% | 25% | 19% |
Guidelines Compliance (FY2024)
About This Offense
Manslaughter is categorized under Violent Crime in the USSC guidelines. Sentencing ranges depend on the specific offense level, criminal history category, and applicable adjustments.
Where manslaughter sentences sit among all federal sentences (FY2024)
Each bar counts imposed federal prison terms in that length band; the marker is this offense's average.
79 76th percentile longer than 76% of 56,311 federal sentences
Each bar is a band; taller bars hold more federal sentences. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Sentencing Commission, Individual Offender Datafiles · FY2024
Manslaughter - Top District Disparities (FY2024)
District Comparison (FY2024)
Average sentences for Manslaughter by district. These averages still reflect case-specific factors within the offense category - criminal history, quantity or aggravating circumstances, and cooperation with prosecutors - not judicial character. Districts with fewer than 5 cases excluded.
| District | Cases | Avg (mo) | vs. National |
|---|---|---|---|
| South Carolina | 1 | 180.0 | +127.3% |
| Northern Georgia | 3 | 176.0 | +122.2% |
| Nevada | 2 | 156.7 | +97.8% |
| Western Arkansas | 2 | 115.0 | +45.2% |
| Eastern Washington | 2 | 103.5 | +30.7% |
| Delaware | 1 | 100.0 | +26.3% |
| Western Virginia | 1 | 96.0 | +21.2% |
| Northern Indiana | 1 | 92.0 | +16.2% |
| Northern West Virginia | 1 | 87.0 | +9.8% |
| Alaska | 17 | 84.5 | +6.7% |
| Eastern California | 3 | 72.7 | -8.2% |
| Western Missouri | 1 | 70.0 | -11.6% |
| Western Washington | 1 | 70.0 | -11.6% |
| Idaho | 10 | 68.3 | -13.8% |
| South Dakota | 21 | 68.0 | -14.1% |
| Eastern Texas | 1 | 67.0 | -15.4% |
| Montana | 11 | 66.7 | -15.8% |
| Western Tennessee | 2 | 62.0 | -21.7% |
| Northern California | 1 | 60.0 | -24.2% |
| Puerto Rico | 2 | 59.0 | -25.5% |
What the Manslaughter Sentencing Data Shows
Across all federal district courts in FY2024, Manslaughter offenses produced 111 sentenced cases with a national average imposed sentence of 79.2 months. The applicable guideline range for these cases averaged 60.1 months at the low end and 73.9 months at the high end, placing the actual mean sentence above the average guideline window. This offense category is classified by the USSC under Violent Crime.
Guideline compliance for Manslaughter broke down as follows in FY2024: 45% of sentences landed within the prescribed range, 30% were above-guideline (upward departures or variances), and 25% were below-guideline. Guilty pleas resolved 77% of cases, a metric that reflects how few federal defendants in this offense category proceed to trial. Below-guideline sentences are typically the result of either government-sponsored departures (such as substantial assistance under USSG §5K1.1) or judge-initiated variances under 18 U.S.C. § 3553(a), a framework formalized after United States v. Booker (2005).
District-level variation is the key signal beneath these national numbers: across the 20 districts with at least 5 cases in FY2024, the district comparison table above shows how average sentences for Manslaughter diverge from the national benchmark. Because individual sentencing outcomes depend on the defendant's criminal history category, offense-level adjustments, the specific statutes of conviction, and any cooperation, these aggregate figures describe patterns, not predictions for any single case. This data is presented for research and educational purposes only and is not legal advice.
Nearby Offenses in the Violent Crime Category
Related federal offenses with the same USSC classification. Compare sentencing patterns across similar crimes.
Source: United States Sentencing Commission (USSC), Individual Offender Datafiles, FY2015–FY2024.
Source: USSC Commission Datafiles · How we compute these metrics
Frequently Asked Questions
What is the average federal sentence for Manslaughter?
How often do Manslaughter sentences follow the guidelines?
Which districts have the highest average sentences for Manslaughter?
What are the federal sentencing guidelines for Manslaughter?
Where does the Manslaughter sentencing data come from?
What is the difference between a departure and a variance?
Learn More About Federal Sentencing
Understanding Federal Sentencing
How federal sentencing guidelines work, from offense levels to criminal history categories.
Sentencing Disparity Explained
What drives differences in sentencing outcomes between federal districts.
Reading Sentencing Data
How to interpret the statistics and comparisons in PlainSentencing.
What the Manslaughter data shows
In FY2024, 111 federal defendants were sentenced for manslaughter, with an average sentence of 79.2 months -- 21.5 months above the national average across all offenses.
- 45% of manslaughter sentences in FY2024 fell within the guideline range, with 25% below (downward departures or variances, often for cooperation). The below-range rate reflects how frequently prosecutors offer departure motions for substantial assistance. How the guidelines work
- The highest-average district for manslaughter in FY2024 was South Carolina, averaging 180.0 months -- 100.8 months above the national average. Case-specific factors within this offense (criminal history, quantity or aggravating circumstances, cooperation) drive that gap as much as any district-level pattern; the comparison below shows the full spread. South Carolina data
- The average sentence for manslaughter has risen 12.1 months since FY2018 (FY2018: 67.1 mo; FY2024: 79.2 mo). The trend chart above compares actual sentences against the guideline midpoint each year. Post-Booker sentencing trends
Descriptive USSC aggregates, not legal advice; individual sentences depend on case-specific facts.
Cite this page
Free to cite and reference with attribution. Figures update automatically as new data is published, compiled from the public-domain USSC datafiles.
PlainSentencing. (FY2024). Manslaughter - Federal Sentencing Data. PlainSentencing. Retrieved from https://plainsentencing.com/offense/manslaughter/. Data from the U.S. Sentencing Commission (USSC) Individual Offender Datafiles; public domain (CC0).
Read our methodology - how this data is sourced, computed, and verified.