| % of mental health professionals working as clinical and counseling psychologist | 152000 |
|---|---|
| ... mental health and substance abuse social workers | 138700 |
| ... mental health counselors | 113300 |
| ... substance abuse counselors | 86100 |
| ... psychiatrists | 34400 |
| ... marriage and family therapists | 27300 |
Sources:
, psychcentral.com

This data is from 2011. It seems surprising that more mental health professionals are not working in marriage and family counseling considering that the divorce rate is around 50%.