" There has been a statistically significant decline in self-reported illicit drug use between the SCJS 2008/09 and 2014/15 across all three reporting time periods (in the last month, in the last year, and ever). The percentage of adults reporting taking one or more illicit drugs in the last year decreased from 7.6% to 6.0% of adults between 2008/09 and 2014/15.
Prevalence of Alcohol Use Among Young People in Australia: "Alcohol use becomes more common with increasing age with 76% of 17-year-olds having consumed alcohol in the year preceding the survey, compared to 19% of 12-year-olds.
"Only 32% of all students reported never consuming alcohol.
Prevalence of Tobacco Use Among Young People in Australia: "In 2014, 81% of all secondary students in Australia had no experience with smoking. While the proportion of students who had never smoked decreased with age, 61% of 17-year-olds had still never smoked.
"Around three per cent of all students had smoked more than 100 cigarettes in their lifetime, which peaked at eight per cent for 17-year-olds.
"The proportion of students smoking in the previous four weeks (past-month smokers) increased from one per cent of 12-year-olds to 17% of 17-year-olds.
"The proportion of students who were current smokers in 2014 increased from one per cent of 12-year-olds to 12% of 17-year-olds.
Prevalence of Cannabis Use Among Youth in Australia: "Cannabis was the illicit substance most commonly used by secondary school students and prevalence was highest in the older age groups. Sixteen per cent of secondary students surveyed indicated they had used cannabis at some time in their lives with seven per cent using it in the past month and four per cent using it in the past week.
"In all recency periods the proportion of students using cannabis increased significantly with age (p<0.01).
Prevalence of Non-Medical Tranquilizer Use Among Young People in Australia: "Around 17% of students had used tranquilisers other than for medical reasons at some point in their life. The proportions of students ever using tranquilisers increased from 13% of 12-year-olds to around 19% of 15- to 17-year-olds.
"Use in the past month was low in all ages and reached only five per cent among students aged 14 and over.
"Across all ages, around two per cent of secondary school students had used tranquilisers in the week before the survey.
Prevalence of Analgesic Use Among Youth in Australia: "Regularity of use: Of students who had used analgesics in the past year, 54% of females and 43% of males had used analgesics 10 or more times in the previous year. Sixteen per cent of males and 10% of females reported use of analgesics only once or twice in the past year.
"Of the male students who had used analgesics in the past week, 71% had used them only once or twice, while 20% had used them 3-5 times. Of the female students who had used analgesics in the past week, 68% had used them once or twice and 22% had used them 3-5 times."
Estimated Prevalence of Illicit Drug Use Among Youth in Australia: "Analgesics: Analgesics were the most commonly used substance (licit or illicit) with 95% of students aged 12 to 17 years having used an analgesic at some time in their lives. Females were more likely than males to use analgesics in all recency periods with for example 48% of females using analgesics in the week prior to the survey compared to 34% of males. The main reason for analgesic use was to help ease the pain associated with a headache/migraine (52%). For the majority of students (90%) parents were the main source of analgesics.
HIV, HCV, and Injection Drug Use in Australia: "In Australia it is estimated that about 13 per cent of people with HIV also have HCV. HIV shares major routes of transmission with both HCV and HBV. People who inject drugs are at particularly high risk for HCV and HIV co-infection.
"There has been a decline in drug use by 11 to 15 year old pupils since 2001. In 2011, 17% of pupils had ever taken drugs, compared with 29% in 2001. There were similar falls in the proportions of pupils who reported taking drugs in the last year and the last month. The decline in the prevalence of drug use parallels the fall in the proportions of pupils who have ever been offered drugs, from 42% in 2001 to 29% in 2011.
"Ever used drugs (includes used drugs more than a year ago, in the last year and in the last month).
"Around one in five 15 year olds and a minority of 13 year olds reported ever having used drugs, with boys more likely than girls to have ever used drugs.
" Eighteen per cent of 15 year olds and 4% of 13 year olds reported ever taking drugs.
" Boys were more likely than girls to have ever used drugs (5% compared with 3% among 13 year olds and 19% compared with 16% for 15 year olds).