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Residents of the Big Apple will find out the identity of their next mayor this Tuesday, in a contest that will determine who runs and defends the nation's most populous metropolis at a time when Donald Trump has threatened to deploy armed forces to the urban center.

Against that backdrop, New York has experienced a mayoral election that has pitted two very different Democrats against each other. The contest has turned into an increasingly bitter showdown, 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 Democratic party performs in next year's congressional races.

The Progressive Challenger

On the left side is the democratic socialist, the young democratic socialist whose rapid ascent and people-powered movement has brought international attention. Representing the old guard is Andrew Cuomo, the ex- New York governor now campaigning independently – and benefiting from the backing of ultra-rich donors and big business.

With days to go, it is Mamdani, the one-time underdog who beat his opponent in the Democratic primary who is solidly positioned as the frontrunner. Mamdani, who has run on a agenda of economic justice and promised to freeze rent for about two million city residents, has led Cuomo by double-digits in every poll taken in October, and it is very much the younger man's election to lose.

The Controversial Campaign

However, the former governor, who stepped down as the state's leader in recent years amid accusations of sexual harassment, has stated clearly he will battle to the finish, and not necessarily in an fair manner. He has criticized his opponent's goals as unachievable, and in the final stretch laughed as a broadcaster made Islamophobic remarks about the candidate, who is Muslim. Recently, Cuomo was widely condemned as racist after sharing an artificial intelligence video that featured a series of racial caricatures and showed Mamdani releasing a convicts.

It's been a particularly ugly conclusion to an race that could be key to the direction that the Democratic party, struggling in its response to Trump's power moves, takes in the coming years.

Broader Consequences

Should 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 resonated with voters' frustration at economic disparity, soaring price rises and the establishment. It would be hard for Chuck Schumer and the House leader not to adopt at least some of the candidate's progressive proposals about economic justice, given the fresh face has generated an excitement within the party perhaps not witnessed since Bernie Sanders ran for president in 2016.

However, should the former governor, who had been predicted to sail to victory in the June primary, achieve a remarkable riches-to-rags-to-riches victory, it could cement national Democrats' current model of cautious, uninspiring resistance – a strategy that has angered grassroots members. A New York defeat of Mamdani's progressive, positive message could persuade Schumer and Jeffries that the wisest course is to remain in the center – even as surveys show the current iteration of the party is widely disliked across the country.

Voter Enthusiasm

Residents of the city appear to favor the Mamdani vision. Surveys show that his backers are much more excited about their choice than Cuomo backers, something that has been evident during the race. The candidate's engaging content on digital platforms, his optimistic vision for the city and his readiness to actually get out and meet people in the metropolis has drawn an army of over fifty thousand supporters, many of them youth or first-time voters.

Negative Tactics

Yet, Cuomo, 67, isn't giving up. And with the stakes against him, the former governor has turned to ugly messaging in recent weeks.

After spending months throwing basically everything at Mamdani to see what might stick, Cuomo has narrowed his focus on targeting Mamdani personally. He has labelled his rival, who was born in Uganda to South Asian heritage, an “extremist”, and popped up on Fox Business for an discussion with a rightwing host, where the candidate claimed the city “will not survive” Mamdani as mayor. It reached a nadir recently, when Cuomo 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 mirrors much of what Trump, who has sent the national guard to Washington DC and warned to do the same to NYC, has said about the progressive, and perhaps that is expected. A group of billionaire New Yorkers, including some who contributed to the Republican in the last presidential race, have pumped millions into trying to get the independent into office, as other powerful voices have urged Curtis Sliwa to withdraw from the race.

Candidate Backgrounds

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

Cuomo, by contrast, entered smoothly into the contest in March 2025 and became the instant favorite. He was the political heavyweight who seemingly held every edge. The classic establishment figure, he had wed a political dynasty member and served in Bill Clinton’s administration. He assumed office as New York governor in 2011, seventeen years after his father, the former governor, stepped down from the same position.

Mamdani, who was elected to the New York state assembly in 2020, does not have the same political heritage. But his dedication to providing no-cost transit and free childcare – along with the freeze-the-rent pledge – present a more positive vision of the city's direction than Cuomo’s pessimistic predictions about “mayhem” and rising criminal activity, and his promise to hire more police officers.

Recent Challenges

Nevertheless, Mamdani has faced some challenges in recent days, after video emerged appearing to show him suggesting the New York police department and the Israel Defense Forces were connected.

“We have to make clear that when the pressure of the NYPD is on your neck, it’s been laced by the IDF,” Mamdani said in the recording, filmed at a DSA gathering in recent years. Mamdani, a longtime critic of Israel who has said the country is committing genocide in Gaza, suggested he was questioning cooperative programs between the NYPD and Israeli forces.

Powerful Moment

As the race closes, the candidate seems to have gained empathy and backing, however, for his response to his opponent's increasing rhetoric.

Mamdani addressed the independent's 9/11 remarks in an emotional video. In it, the candidate remembered how, when he first ran for state assembly, a family member advised to him that he did not have to tell people about his religion. It was a realization, Mamdani said, that many local Muslims had been told “again and again”: “That security could only be found in the shadows of our city. That it is in those shadows alone where Muslims could express their full identities, and that if we were to step out from those seclusion, then it is in those silence that we must set aside our faith.”

Speaking to the behavior of his opponents, who has alleged Mamd