Prepared annually, the Hawaii State Plan is a public document for guiding the development of services and facilities for the mentally retarded. Using quantitative and narrative information it describes present services, presents a program for development of facilities to meet needs, and serves as the basis for allocation of funds under P. L. 88-164. Chapter 1 covers purpose, authority, organization of Health Department, the State Advisory Council, and goals of the plan. Demographic, geographic, and political characteristics of Hawaii are summarized in Chapter 2. Discussed next are public interest in mental retardation, the planning concept, factors influencing planning, characteristics of the retarded, scope of the problem, range of services, and relationship to other planning efforts. Chapter 4 states planning considerations unique to Hawaii, delineates planning areas, and examines percentage of retarded and special education classes and generic services provided. Chapter 5 contains an inventory and analysis of existing facilities and services and a review of programed facilities and priorities. Information on methods of administration, revised laws of Hawaii, and several special projects is appended. (KW)