Cocaine demand and supply are booming worldwide and methamphetamine trafficking is expanding beyond established markets, including in Afghanistan where the drug is now being produced, says a United Nations report. The number of people taking drugs rose by 23 percent to 296 million in 2021 - the most recent year for which data is available - from 240 million in 2011, according to the annual World Drug Report published by the UN Office on Drugs and Crime (UNODC) late on Sunday. The UNODC said only half the increase can be attributed to the world's population growth during the period.