Data on the number of members in the Canadian Association of Social Workers founded in the 1920s. By 1939, it had 600 members. By 1966, there were 3,000 members, by 1986, 9,000 members. These are just members of the Association, not everyone who is a member of the field of social work.

Social workers in the new Family Allowance office, National Archives Neg. no. C45315.