Updated

A new poll shows Brazilian President Dilma Rousseff's popularity has dipped five percentage points ahead of October's presidential elections.

The Datafolha polling institute says 36 percent of respondents rated Rousseff's government as "great/good" against the 41 percent who gave it that rating in its previous poll conducted in February.

The poll was published Sunday by the Folha de S. Paulo newspaper.

Datafolha surveyed 2,637 people on April 2 and 3. Its poll has a margin of error of 2 percentage points.

The poll also shows that the number of people who say they will vote for her dropped from 44 percent to 38 percent. However, the new figures leave her ahead of her two main challengers, Aecio Neves with 16 percent and Eduardo Campos with 10 percent.