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Block-Face Database for Brazilian Addresses


It is a geospatial database of lines that graphically represent the streets of urban areas, urban extension and rural agglomerations of Brazilian municipalities. In addition to the graphic information, there are attributes that refer to the name of the addresses, the territorial structure and the National Address List for Statistical Purposes – CNEFE. The Block-Face Database is fully updated at each Population Census and, between Censuses, it undergoes a continuous and cumulative process of specific updates in accordance with the progress of the institute's surveys and in accordance with specific field campaign actions carried out by teams from the Collection Network in the Agencies of the State Branches of the IBGE. In the current version, it reaches 13,688,342 line segments corresponding to block-faces, represented as a fundamental source for portraying the Brazilian territory and reflecting on its dynamics, supporting decision-making and the implementation of public policies with greater efficiency.

It is used by the IBGE to plan and carry out Census data surveys and Statistical Surveys such as the Continuous National Household Sample Survey - Continuous PNAD and the Consumer Expenditure Survey - POF, among others, covering all Brazilian municipalities, especially their cities and villages.

The construction of this database began with the migration of data from the 2007 Census (Census of Agriculture and Population Count), plus vector data through agreements with city halls and/or hiring of private companies, 2010 Population Census, 2017 Census of Agriculture and specific updates based on field surveys for the National Household Sample Survey, unifying the mapping used in these operations. These data were originally produced from different data sources, including cadastral mapping at different reference scales that have been adjusted, as available, to the geometries of high spatial resolution images, constituting precious elements in combination with the Mesh of Enumeration Areas.