"Immigration cases accounted for the largest single group of offenses in fiscal year 2020, comprising 41.1 percent of all reported cases, an increase from the 38.4 percent of the cases reported in the prior year. Cases involving drugs, firearms, and fraud were the next most common types of offenses after immigration cases. Together these four types of offenses accounted for 86.4 percent of all cases reported to the Commission in fiscal year 2020.
"Among drug cases, offenses involving methamphetamine were most common, accounting for 45.7 percent of all drug cases.
"The average length of imprisonment in methamphetamine cases was unchanged from fiscal year 2019 at 95 months. However, the average sentence imposed decreased across the other major drug types: in crack cocaine cases (from 78 to 74 months), powder cocaine cases (from 70 to 66 months), heroin cases (from 70 to 66 months), and marijuana cases (from 31 to 29 months).
"Two-thirds (66.9%) of drug offenders were convicted of an offense carrying a mandatory minimum penalty, compared to 65.7 percent of drug offenders in fiscal year 2019."
2020 Annual Report and Sourcebook of Federal Sentencing Statistics. US Sentencing Commission, March 2021.