Prevalence of recent cannabis use was stable from 2007 (6.7%, 95% CI 6.0%–7.3%) to 2020–22 (6.7%, 95% CI 6.2%–7.1%), as was CUD (1.0%, 95% CI 0.7%–1.3%; 0.6%, 95% CI 0.4%–0.8%). The relationship between younger age and CUD became stronger from 2007 to 2020–22 (OR 2.39, 95% CI 1.20–4.77).