DA faces defining moment as leadership battle tests voter appeal

The Democratic Alliance’s (DA) federal congress this weekend is being framed as a decisive moment, not just for leadership, but for its ability to win over South African voters beyond its traditional base.

The party enters the congress under pressure, with outgoing leader John Steenhuisen stepping aside and a likely leadership transition to Cape Town mayor Geordin Hill-Lewis.

Analysts and party insiders say the outcome could shape whether the DA can expand its national support ahead of upcoming local government elections.

Leadership change signals generational shift

Former DA leader Tony Leon described the congress as a ‘passing of the baton’ and a ‘healthy development’ for a party preparing for long-term renewal.

He said the emergence of younger leadership marks a generational shift that could redefine the party’s direction.

“I think it’s very good that there’ll be a change of leadership… both of them are going to be from a new generation,” Leon said.

The leadership transition comes at a time when the DA is seeking to consolidate support that stood at about 22% in the 2024 national elections, with internal polling suggesting possible growth.

DA’s biggest challenge: reaching Black voters

A central issue raised in the discussion is the DA’s long-standing struggle to expand its appeal among Black South African voters, the country’s largest voting bloc.

Leon said the party has historically ‘maxed out more or less’ within its existing base and must now focus on what he called the ‘politics of addition’.

“That has been the search for the holy grail… how does the DA imprint itself where most of the voters are,” he said.

Political analysts echoed this, warning that without meaningful inroads into this voter base, the DA is unlikely to achieve majority support.

GNU participation shifting voter perceptions

The DA’s role in the Government of National Unity (GNU) appears to be changing how some voters view the party.

Leon said simply being in government has helped ‘legitimise’ the DA among voters who may not have previously supported it.

“It seems to me that the DA’s had an uptick in voter support… simply being in government,” he said.

However, this position also brings risks.

Critics argue the DA must now meet the same standards it once demanded of the ANC, with some voters pointing to perceived inconsistencies.

Balancing governance and opposition identity

The DA faces a balancing act between governing effectively and maintaining a distinct opposition identity.

Leon suggested that having a leader outside government structures could help sharpen that distinction.

A potential Hill-Lewis leadership, not serving in cabinet, may allow the party to ‘retain a critical distance’ while still benefiting from governance exposure.

Election strategy and voter connection key

Analysts say the upcoming local government elections will be an important test, but not the final one.

The real measure will be whether the DA can sustain growth toward the 2029 national elections.

Key to this will be connecting with voters on everyday issues.

“You’ve got to go into where people live, work and play… and show that you can relate to them,” Leon said.

He added that policy alone is not enough.

“People have got to see you to believe you.”

Plateau or breakthrough?

Despite signs of growth, analysts remain cautious about the DA’s ceiling.

Some argue the party may struggle to move significantly beyond the mid-20% range without structural and messaging changes.

Others believe new leadership could help reposition the party, if it resonates beyond its current support base.

The congress outcome will therefore be closely watched as an indicator of whether the DA can break through or remain on a political plateau.

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For more information, listen to Leon, Professor Andre Duvenhage and Lukhona Mnguni about the future of the Democratic Alliance as it heads into that all-important federal congress by using the audio player below: