Self-assessment
Depression questionnaire (PHQ-9)
A short, validated questionnaire used by clinicians worldwide. Your answers help you see whether it may be worth talking to a professional.
- 9 questions
- ~3 min
- Private on device
A screening questionnaire, not a diagnosis. Nothing you enter is sent anywhere or saved — results are calculated in your browser.
In crisis right now?
If you're in crisis right now, you don't need to read an article.
In the UK call Samaritans on 116 123 (24/7) or text SHOUT to 85258. In the US, call or text 988. Other countries: see Crisis Support.
Source: Kroenke K, Spitzer RL, Williams JBW. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001;16(9):606–613. Public domain.