That could be because the "happy" countries have good health systems with wide coverage, so the people that need anti-depressants get them. In the "sad" countr

That could be because the "happy" countries have good health systems with wide coverage, so the people that need anti-depressants get them. In the "sad" countries people with depression often don't get to see a doctor, so a whole lot of people have undiagnosed and unmedicated depression.