Ada Colau leads among Sumar voters as left weighs election candidate

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  Ada Colau is the preferred potential Frente Amplio leader among people who voted for Sumar in 2023, according to a Sigma Dos poll for El Mundo.

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  Colau received 23.3% support among those voters, ahead of Mónica García at 13.4%.

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  Across all respondents, Pablo Bustinduy was the most preferred choice, with 16.1%, but he had ruled himself out.

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  García led among all respondents who chose one of the three women, with 14.2%, followed by Colau at 12.5% and Irene Montero at 10.9%.

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  The left-wing grouping faces a choice of candidate ahead of the November 29 election.

Who

Potential leaders of the Frente Amplio include Ada Colau, Mónica García and Irene Montero; Pablo Bustinduy has ruled himself out.

What

A Sigma Dos poll for El Mundo measures preferences for who should lead the grouping.

When

The poll was published on October 11, 2026; the election is scheduled for November 29.

Where

Spain.

Why

The left is weighing who should lead its election ticket and how that choice could affect alliances.

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