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The examples and perspective in this article deal primarily with the United States and do not represent a worldwide view of the subject. Please improve this article and discuss the issue on the talk page.(January 2014)
Although undergraduate (Bachelors) degrees for psychology and counseling exist, in most jurisdictions, the minimum requirement for licensure is a graduate degree (masters or doctorate).
Associate of Art (AA) or Associate of Science (AS): Associate degrees are usually two-year degrees and are often offered at community colleges. Many choose to start with Associate degrees in counseling psychology, clinical psychology, or related fields, before starting work on degrees which require further education. An Associate degree is usually not required in order to enroll in a Bachelor's degree program.
Bachelor of Social Work (BSW) - 4 years of college/university, clinical coursework in Social Work, Guidance, Counseling, Psychotherapy, Human Services, Psychology, others, and extensive internship experience including counseling/therapy required. Assessment, diagnosis,and treatment are part of the curriculum.
Bachelor of Arts (BA), Bachelor of Science (BS), Bachelor of Social Work (BSW): Bachelor's degrees usually require four years of study and are required prior to entry into graduate programs where Masters or Doctoral degrees may be earned. Although a person may earn a Bachelor's degree in counseling psychology, clinical psychology or related fields in mental health, a person may have had a major concentration in another field of study and still qualify for entry into a graduate school for study in the area of psychology. A bachelor's degree does not meet the requirements for clinical practice or licensure.
Master of Social Work (MSW) - See BSW above also. 6 years of college/university, clinical coursework in Social Work, Guidance, Counseling, Psychotherapy, Human Services, Psychology, others, and extensive practicum experience including counseling/therapy required. Assessment, diagnosis, and treatment are part of the curriculum.
Master of Arts (MA) or Master of Science (MS) in counseling psychology, clinical psychology, educational psychology. A master's degree in the specified area may require completion of a master's thesis, dissertation and/or project.
Licentiate in Psychology or Psychologist (LPsy) – professional title used in EU and Latin American countries and equivalent of PsyD of the US
Doctor of Psychology (PsyD) – requires the student to create relevant and helpful research that contributes to the existing body of knowledge or scholarship in an area. At one time, the PsyD was assumed to not require significant research activities, focusing more on advanced clinical training. However, most academic institutions offering a PsyD today require the completion of a dissertation suitable for publishing. To use the title "psychologist", individuals must meet their state requirements and obtain a license to practice psychology.
Doctor of Philosophy (PhD): A Doctor of Philosophy degree in psychology prepares the student to conduct independent research and to provide professional services (consultation, assessment, diagnosis, therapy). To use the title "psychologist", individuals must meet their state requirements and obtain a license to practice psychology.
Professional licenses for mental health providers with a master's degree issued by US states to graduate degree holders which allow them to legally practice:
Licensed Specialist Clinical Social Worker (LSCSW) or Licensed Clinical Social Worker (LCSW) – Masters in Social Work required, plus supervised experience, and continuing education
Licensed Marriage and Family Therapist (LMFT) – Masters in Psychology and/or Marriage and Family Therapy required, plus supervised experience
Licensed Clinical Social Worker (LCSW) – Masters in Social Work required, plus supervised experience
Licensed Mental Health Counselor (LMHC; LPC or LCMHC in some states) – Masters in Counseling and/or Psychology, plus supervised experience 
Licensed Creative Arts Therapist (LCAT) – Masters in Art Therapy, Music Therapy, Dance/Movement Therapy, or Drama Therapy, plus supervised experience
Licensed Psychologist – Doctorate in Psychology (except for West Virginia which requires a Masters in Psychology)
Licensed Psychological Associate – Masters in Psychology (Alaska, Kentucky, Maryland, North Carolina, & Texas)
Licensed Psychologist Associate – Masters in Psychology (Colorado, New Mexico, & Oregon)
Licensed Psychological Examiner – Masters in Psychology (Arkansas & Maine)
Licensed Psychological Assistant – Masters in Psychology (Tennessee)
Licensed Psychologist – Masters in Psychology (West Virginia)
Certifications for licensed providers are offered by various non-profit and for-profit organizations such as the National Board for Certified Counselors and Affiliates. In most states, a license to practice is also required.