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10% of Voters Undecided: Brazil Presidential Race Remains Volatile as Lula, Bolsonaro Enter Final Stretch

The latest Datafolha poll shows President Lula and Senator Flávio Bolsonaro in a statistical tie for the October election runoff, with a large bloc of uncommitted voters set to determine the outcome.

By Eleanor Shaw

Published Sep 11, 2026, 11:23 PM UTC

10% of Voters Undecided: Brazil Presidential Race Remains Volatile as Lula, Bolsonaro Enter Final Stretch — Source: Ricardo Stuckert/PR / Wikimedia Commons (CC BY 3.0 br)

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