[tpolzer]

Over all age groups? Definitely not, cardiovascular diseases and cancer get ~everybody in the end: https://ourworldindata.org/grapher/annual-number-of-deaths-b...

You're right for 15-49 year olds, where drug overdoses only recently (around 2015) overtook cancer: https://ourworldindata.org/grapher/causes-of-death-in-15-49-...