Global consumption of antidepressant drugs (AD) has increased dramatically in the last two decades, with Europeans the largest consumers.

Use of antidepressants increased by nearly two and a half times from 2000 to 2020 in 18 European countries, according to Organization for Economic Cooperation and Development (OECD) data.

OECD data also shows a dramatic increase in anxiety and depression during the COVID‑19 pandemic. Do the happiest countries use fewer AD drugs? How do researchers explain the sharp rise in the consumption of antidepressants?