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New Yorkers will learn the identity of their next mayor this Tuesday, in a contest that will determine who runs and defends the country's largest city at a moment when Donald Trump has threatened to send military troops to the urban center.

Against that backdrop, New York has witnessed a race for mayor that has pitted two distinctly opposing Democratic figures against each other. The election has turned into an acrimonious face-off, laced with accusations of racial bias and anti-Muslim sentiment, but it is the political differences between the two leading candidates that could have significant consequences for how the party fares in next year's congressional races.

The Rising Progressive

In the progressive corner is the democratic socialist, the 34-year-old democratic socialist whose rapid ascent and people-powered movement has brought international attention. On the establishment side is Andrew Cuomo, the former Democratic New York governor now running as an independent – and enjoying the support of ultra-rich donors and corporations.

With days to go, it is Mamdani, the former longshot who beat his opponent in the Democratic primary who is firmly installed as the leading candidate. The candidate, who has campaigned on a agenda of economic justice and promised to halt rent increases for about 2 million New Yorkers, has led Cuomo by double-digits across all surveys taken in October, and it is very much the progressive's race to lose.

The Controversial Campaign

However, the former governor, who resigned as governor in 2021 amid allegations of sexual harassment, has made it clear he will fight to the finish, and not necessarily in an fair manner. He has criticized his opponent's objectives as unrealistic, and in the final stretch laughed as a broadcaster made anti-Muslim comments about Mamdani, who is Muslim. Two weeks ago, the independent was widely condemned as bigoted after posting an AI-generated ad that featured a series of racial caricatures and showed his opponent releasing a group of criminals.

It's been a particularly ugly end to an race that could be key to the path that the party, floundering in its reaction to Trump's authoritarian grabs, takes in the coming years.

Broader Consequences

If Mamdani secures a clear victory, the establishment party leaders who have refused to endorse his campaign will be forced to reckon with a platform that has appealed to Americans' frustration at economic disparity, inflation and the establishment. It would be difficult for the Senate leader and the House leader not to adopt at least some of Mamdani's progressive proposals about economic justice, given the fresh face has generated an excitement within the party arguably not seen since the Vermont senator campaigned for the White House eight years ago.

However, if the former governor, who had been predicted to win easily in the Democratic primary, complete a surprising riches-to-rags-to-riches win, it could cement the party's current model of considered, uninspiring resistance – a tactic that has angered grassroots members. A NYC defeat of the progressive's progressive, positive message could persuade party leaders that the best plan is to remain in the political center – even as polls show the current iteration of the Democratic party is deeply unpopular nationwide.

Voter Enthusiasm

Voters in New York appear to favor the Mamdani vision. Surveys show that Mamdani supporters are much more excited about their candidate than Cuomo backers, something that has been evident during the race. The candidate's snappy videos on digital platforms, his optimistic vision for the city and his readiness to actually venture out and connect with voters in the city has drawn an force of over fifty thousand supporters, many of them young or new participants.

Negative Tactics

However, Cuomo, 67, isn't giving up. And with the risks against him, the ex-leader has turned to negative campaigning in recent weeks.

After spending months launching various attacks at his opponent to see what might stick, the independent has narrowed his focus on attacking Mamdani personally. He has called his rival, who was of Ugandan origin to Indian parents, an “extremist”, and appeared on Fox Business for an interview with a rightwing host, where the candidate asserted New York “will not survive” Mamdani as city leader. It reached a nadir recently, when the former governor chuckled and said “that’s another problem” after a radio host said the candidate would “cheer” another 9/11-style attack.

Political Landscape

This strategy echoes much of what Trump, who has sent the military reserves to Washington DC and warned to do the same to New York, has said about Mamdani, and perhaps that is expected. A set of billionaire New Yorkers, including some who donated to the Republican in the last presidential race, have invested heavily into trying to get the independent into office, as other influential figures have pressured the Republican candidate to withdraw from the race.

Political Histories

For the his team, and his billionaire supporters, are worried, it should never have come to this. When the assemblyman, one of one hundred fifty New York state assembly members, started his mayoral bid in October 2024, not many had known him, and in truth, few even paid attention.

Cuomo, by comparison, entered smoothly into the race in this year and became the instant favorite. He was the big beast who seemingly held every edge. The classic political insider, he had married a political dynasty member and worked in a Democratic presidency. He assumed office as the state's leader in 2011, 17 years after his parent, Mario Cuomo, left office from the identical role.

Mamdani, who was voted in to the state legislature in recently, does not have the same political heritage. But his commitment to providing free buses and affordable child services – along with the rent control promise – present a brighter outlook of the future than Cuomo’s pessimistic predictions about “mayhem” and rising criminal activity, and his promise to increase police presence.

Campaign Controversies

Still, Mamdani has faced difficulties in the final phase, after footage emerged appearing to show him suggesting the New York police department and the IDF were intertwined.

“We have to make clear that when the pressure of the NYPD is on your throat, it’s been laced by the IDF,” the candidate said in the recording, recorded at a DSA convention in 2023. Mamdani, a longtime critic of Israel who has said the country is engaging in atrocities in Gaza, suggested he was criticizing cooperative programs between the city police and Israeli forces.

Powerful Moment

As the race closes, the candidate seems to have gained sympathy and support, however, for his response to his opponent's escalating attacks.

Mamdani addressed the independent's terrorism comments in an emotional video. In it, Mamdani remembered how, when he first campaigned for state assembly, a Muslim uncle suggested to him that he did not have to tell people about his Muslim faith. It was a lesson, he said, that many local Muslims had been taught “again and again”: “That safety could only be found in the margins of our city. That it is in those shadows alone where followers of Islam could embrace their full identities, and that if we were to emerge from those shadows, then it is in those shadows that we must set aside our beliefs.”

Addressing the behavior of Cuomo and Sliwa, who has alleged Mamd