This paper describes the detailed occupational composition of the Aboriginal and Torres Strait Islander workforce and measures the extent to which it differs from that of the rest of the workforce. For this purpose, 1986 Census data on occupational major and unit groups are used, and inter- and intra- occupational segregation indexes are calculated. This reveals for the first time the precise occupational mix which characterises the Aboriginal and Torres Strait Islander labour markets. At the broad level of major occupations, there is some indication that the degree of employment segregation between Indigenous and other Australians has decreased over time, although the lack of time series data based on consistent occupational classification...