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New Yorkers will find out who will be their new city leader this election day, in a contest that will decide who governs and defends the country's most populous metropolis at a moment when Donald Trump has threatened to send armed forces to the city.

Against that backdrop, New York has witnessed a mayoral election that has pitted two very different Democrats against each other. The contest has become an increasingly bitter face-off, laced with accusations of racism and Islamophobia, but it is the political differences between the two main candidates that could have significant consequences for how the Democratic party performs in next year's congressional races.

The Progressive Challenger

In the progressive corner is Zohran Mamdani, the 34-year-old progressive candidate whose rapid ascent and people-powered movement has attracted 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 wealthy contributors and big business.

As the election approaches, it is the progressive, the former longshot who defeated his opponent in the party primary who is firmly installed as the leading candidate. The candidate, who has campaigned on a agenda of economic justice and pledged to freeze rent for about two million city residents, has led his rival by significant margins in every poll conducted in October, and it is very much the progressive's race to throw away.

The Controversial Campaign

Yet, Cuomo, who resigned as governor in recent years amid accusations of sexual harassment, has made it clear he will fight to the finish, and not necessarily in an above-the-belt fashion. He has criticized Mamdani's goals as unachievable, and in recent days laughed as a broadcaster made Islamophobic remarks about Mamdani, who is Muslim. Two weeks ago, Cuomo was strongly criticized as bigoted after posting an AI-generated ad that featured a series of racist stereotypes and showed his opponent freeing a convicts.

It's been a rather grubby conclusion to an race that could be key to the direction that the Democratic party, struggling in its response to Trump's authoritarian grabs, adopts in the near future.

Broader Consequences

If the progressive secures a clear victory, the establishment party leaders who have refused to endorse his campaign will be compelled to address a message that has appealed to voters' frustration at economic disparity, inflation and the political elite. It would be difficult for the Senate leader and the House leader not to embrace at least some of Mamdani's progressive proposals about economic justice, given the newcomer has created an excitement within the Democratic ranks perhaps not seen since Bernie Sanders campaigned for the White House eight years ago.

Conversely, if the former governor, who had been predicted to sail to victory in the Democratic primary, achieve a surprising comeback victory, it could reinforce the party's current model of cautious, uninspiring opposition – a strategy that has angered the party base. A New York rejection of the progressive's progressive, positive message could persuade Schumer and Jeffries that the best plan is to remain in the political center – even as polls show the current iteration of the party is deeply unpopular nationwide.

Voter Enthusiasm

Voters in New York seem to prefer the Mamdani vision. Surveys show that his backers are much more excited about their choice than his opponent's supporters, something that has been apparent during the race. Mamdani's snappy videos on social media, his optimistic vision for New York and his readiness to actually venture out and meet people in the city has attracted an force of over fifty thousand supporters, many of them young or first-time voters.

Personal Attacks

Yet, Cuomo, 67, isn't giving up. And with the risks against him, the ex-leader has resorted to ugly messaging in the final days.

Following extensive launching various attacks at Mamdani to see what might resonate, Cuomo has narrowed his focus on targeting the candidate personally. He has labelled Mamdani, who was born in Uganda to Indian parents, an “extremist”, and popped up on conservative media for an discussion with a rightwing host, where Cuomo asserted the city “will not survive” Mamdani as mayor. It hit bottom recently, when the former governor laughed along and said “that’s another problem” after a broadcaster said Mamdani would “cheer” another 9/11-style incident.

Campaign Dynamics

This strategy echoes much of what Trump, who has sent the national guard to Washington DC and threatened to take similar action to New York, has said about Mamdani, and maybe 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 powerful voices have pressured the Republican candidate to drop out from the race.

Candidate Backgrounds

As far as the his team, and his wealthy backers, are worried, it should not have reached to this. When Mamdani, one of 150 New York state assembly members, launched his campaign for mayor in October 2024, few had heard of him, and in truth, barely anyone even noticed.

Cuomo, by contrast, eased his way into the race in March 2025 and became the immediate frontrunner. He was the political heavyweight who seemingly held every edge. The quintessential political insider, he had wed a Kennedy and worked in Bill Clinton’s administration. He assumed office as the state's leader in 2011, seventeen years after his parent, Mario Cuomo, left office from the identical role.

Mamdani, who was elected to the state legislature in recently, does not have the comparable background. But his dedication to providing free buses and affordable child services – along with the freeze-the-rent pledge – offer a more positive vision of the future than his opponent's dire warnings about “mayhem” and unfettered crime, and his vow to hire more police officers.

Recent Challenges

Still, Mamdani has faced difficulties in recent days, after video surfaced suggesting 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 neck, it’s been influenced by the IDF,” the candidate said in the clip, recorded at a Democratic Socialists of America gathering in 2023. The progressive, a longtime critic of the Israeli government who has said the nation is engaging in atrocities in the Palestinian territory, indicated he was questioning cooperative programs between the city police and Israeli forces.

Powerful Moment

As the race closes, the candidate appears to have won sympathy and support, however, for his reaction to Cuomo’s increasing rhetoric.

The progressive responded to Cuomo’s 9/11 remarks in an heartfelt recording. In it, Mamdani recalled how, when he first campaigned for the legislature, a Muslim uncle suggested to him that he did not have to disclose about his Muslim faith. It was a realization, he said, that many Muslim New Yorkers 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 embrace their full identities, and that if we were to step out from those shadows, then it is in those shadows that we must set aside our faith.”

Addressing the actions of Cuomo and Sliwa, who has claimed Mamd