This article has the objective of showing the need for evaluating the quality of census information in named lists of inhabitants in the 19th century. The aim is also to propose a classification, according to the quality of the information, for the spatial units of information of the 1831-32 Census carried out in the Province (now State) of Minas Gerais, Brazil and present preliminary and general findings on the occupational structure of the province on the basis of the mentioned census, as these results take into account the regional diversity of the province at the time. The demonstration of the effect of the quality of the information of occupation on the occupational structure on three levels of aggregation (provincial, regional and district) showed that researchers should not fail to assess the extent and limits of the data available when dealing with historical censuses.
Quality of census information; Occupational structure; Minas Gerais; 19th century
