🧩Pay & Market

A psychiatrist is a medical doctor who completed medical school and a psychiatry residency, and treats mental illness primarily with medication. A psychologist holds a graduate degree in psychology — a doctorate in the US and Canada — and treats primarily through talking therapies and psychological assessment. They frequently work together: the psychiatrist manages medication while the psychologist provides the therapy and testing.

It depends entirely on the country. The United States and Canada restrict the title to holders of a PhD or PsyD, roughly ten years of study after secondary school. Much of Europe, along with India, South Africa and Australia, registers psychologists at master's level after five to six years plus supervised practice. Everywhere, the title is legally protected and tied to a government or board register.

In the United States, typically ten to twelve years: a four-year bachelor's degree, five to seven years of doctoral training including a one-year full-time internship, then supervised postdoctoral hours and a licensing exam. In most of Europe and Australia the master's-plus-supervision route takes six to eight years. No serious system licenses anyone without supervised clinical hours.

The US median for clinical and counseling psychologists was about $96,000 in 2023 (Bureau of Labor Statistics); industrial-organizational psychologists and full private practices earn substantially more. UK clinical psychologists on the NHS typically earn £50,000–£62,000 at Band 8a. In India and Brazil, typical registered-psychologist pay is a small fraction of these figures, with wide private-practice variation.

In most of the world, no — prescribing remains the psychiatrist's territory. The exceptions are a handful of US jurisdictions, beginning with New Mexico in 2002 and Louisiana in 2004, where psychologists who complete additional psychopharmacology training and examination may prescribe, along with certain US military settings. Everywhere else, psychologists treat through therapy and assessment and refer to physicians for medication.

Yes, and this has been measured for decades. Smith and Glass's landmark 1977 meta-analysis found the average treated person ended up better off than roughly three-quarters of untreated people, a finding hundreds of later meta-analyses have broadly upheld. The American Psychological Association states that about 75 percent of people who enter psychotherapy show some benefit. Effects vary by condition, therapist and fit.