The final two charts show the number of overdose deaths involving benzodiazepines (Figure 8) or antidepressants (Figure 9). Benzodiazepines were involved in 10,964 deaths in 2022a decrease from 2021. The proportion of fatalities involving synthetic opioids other than methadone (fentanyl) has increased significantly since 2015. Of the 8,791 deaths in 2015, 20% also involved fentanyl. In 2022, this proportion increased to nearly 70% of all deaths involving benzodiazepines. Antidepressant involved deaths have risen steadily since 1999, with 5,863 deaths reported in 2022. summarize this