How much cannabis is trafficked each year in Australia?

In 2017-18 there were a record 17,383 cannabis border detections in Australia - a 58% increase from the detections reported in 2016-17. These detections amounted to a total weight of 580 kilograms – a 466% increase from 2016-17.

There were 49 cannabis detections weighing one kilogram or more in 2017-18. Combined, these 49 detections weighed 238 kilograms and accounted for 41% of the total weight of cannabis detected in 2017–18.

Source: Australian Crime Commission (2019). Illicit Drug Data Report 2017-18.