What proportion of assaults in Australia are alcohol-related?

In 2012, 59% of assaults and 33% of sexual assaults for which an individual was detained by police were alcohol-related.

Source: Australian Institute of Criminology (AIC). 2012 Drug Use Monitoring in Australia (DUMA) Survey (NCETA secondary analysis, 2013).

Alcohol-Related Crime: A crime is defined as alcohol-related where alcohol use contributed to that crime as indicated by the police detainee (in the case of DUMA data) or the victim (in the case of NDSHS data).

Assault: An act of physical force or violence.