History of Election Researches

Research policies were implemented in Brazil by IBOPE, in the 50. Currently, IBOPE is the only research company that conducts polls in all States of the Federation. In a single turn, the company reaches more than 140 polls and trains more than 1,300 interviewers.

With an index of accuracy of applications ranging from 97% to 100%, the IBOPE confirms each election the contribution given by polls to Brazilian democracy. Without them, could not have detected the impact that the discussion of abortion caused in the presidential election of 2010, for example.

In this section, you have at your disposal a search tool to find all polls released since 1998. Previous research on this period were donated by IBOPE to the academic community, and are available for public consultation in the Centre for the study of public opinion (Cesop), Universidade Estadual de Campinas (Unicamp).

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