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New Yorkers will discover the identity of their new city leader this election day, in a race that will decide who runs and protects the nation's most populous metropolis at a moment when Donald Trump has vowed to send military troops to the city.

Against that backdrop, New York has witnessed a mayoral election that has pitted two very different Democrats against each other. The election has turned into an increasingly bitter face-off, marked by alleged racism and anti-Muslim sentiment, but it is the political differences between the two leading candidates that could have significant consequences for how the party performs in next year's congressional races.

The Progressive Challenger

In the progressive corner is the democratic socialist, the 34-year-old progressive candidate whose meteoric rise and grassroots campaign has brought international attention. Representing the old guard is Andrew Cuomo, the ex- Democratic New York governor now campaigning independently – and benefiting from the support of ultra-rich donors and corporations.

With days to go, it is the progressive, the one-time underdog who defeated Cuomo in the party primary who is firmly installed as the frontrunner. Mamdani, who has run on a platform of economic justice and pledged to freeze rent for about two million New Yorkers, has led his rival by significant margins across all surveys taken in the fall, and it is very much the progressive's election to throw away.

The Controversial Campaign

However, Cuomo, who resigned as governor in recent years amid accusations of misconduct, has made it clear he will battle to the end, and not necessarily in an fair manner. He has criticized Mamdani's objectives as unrealistic, and in the final stretch laughed as a broadcaster made Islamophobic remarks about Mamdani, who is Muslim. Two weeks ago, the independent was strongly criticized as bigoted after posting an AI-generated ad that featured a series of racial caricatures and showed Mamdani freeing a convicts.

It's been a rather grubby end to an race that could be key to the direction that the party, struggling in its reaction to the former president's power moves, takes in the coming years.

National Implications

If Mamdani wins convincingly, the party establishment who have refused to endorse his bid will be compelled to address a message that has resonated with voters' frustration at inequality, soaring price rises and the political elite. It would be hard for Chuck Schumer and Hakeem Jeffries not to adopt at least a portion of the candidate's ambitious ideas about affordability, given the fresh face has created an enthusiasm within the party arguably not witnessed since Bernie Sanders campaigned for the White House in 2016.

Conversely, should the former governor, who had been predicted to win easily in the June primary, achieve a surprising riches-to-rags-to-riches win, it could reinforce the party's existing approach of considered, uninspiring resistance – a strategy that has angered grassroots members. A New York rejection of Mamdani's optimistic platform could convince party leaders that the best plan is to remain in the center – even as polls show the present version of the Democratic party is widely disliked nationwide.

Voter Enthusiasm

Residents of the city seem to prefer the progressive agenda. Surveys show that Mamdani supporters are far more enthusiastic about their choice than Cuomo backers, something that has been apparent during the race. Mamdani's snappy videos on digital platforms, his optimistic vision for the city and his willingness 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.

Personal Attacks

Yet, the former governor, in his late sixties, continues to fight. And with the stakes stacked against him, the ex-leader has resorted to ugly messaging in the final days.

Following extensive launching various attacks at his opponent to see what might stick, Cuomo has concentrated on targeting the candidate directly. He has labelled his rival, who was of Ugandan origin to Indian parents, an “extremist”, and popped up on Fox Business for an discussion with Maria Bartiromo, where the candidate asserted the city “will not survive” Mamdani as mayor. It reached a nadir last week, when Cuomo chuckled and said “that’s another problem” after a radio host said the candidate would “cheer” another terrorist incident.

Campaign Dynamics

This strategy mirrors much of what the former president, who has deployed the military reserves to Washington DC and threatened to do the same to NYC, has said about Mamdani, and perhaps that is expected. A group of billionaire New Yorkers, including some who donated to Trump in the 2024 election, have pumped millions into trying to elect Cuomo elected, as other powerful voices have pressured the Republican candidate to drop out from the contest.

Political Histories

As far as the his team, and his wealthy backers, are worried, it should never have come to this. When Mamdani, one of 150 state legislators, started his campaign for mayor in October 2024, not many had known him, and in reality, barely anyone even noticed.

Cuomo, by contrast, eased his way into the race in March 2025 and became the instant favorite. He was the big beast who apparently held every edge. The quintessential political insider, he had married a Kennedy and worked in a Democratic presidency. He became New York governor in 2011, seventeen years after his father, the former governor, left office from the same position.

The progressive, who was voted in to the state legislature in 2020, does not have the same political heritage. But his dedication to providing free buses and free childcare – along with the freeze-the-rent pledge – present a more positive vision of the city's direction than his opponent's dire warnings about “mayhem” and unfettered crime, and his vow to increase police presence.

Campaign Controversies

Still, Mamdani has encountered some challenges in the final phase, after footage surfaced appearing to show him suggesting the NYPD and the Israel Defense Forces 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 recording, filmed at a DSA convention in 2023. The progressive, a longtime critic of the Israeli government who has said the country is engaging in atrocities in the Palestinian territory, suggested he was questioning joint training exercises between the NYPD and IDF.

Emotional Response

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

Mamdani responded to the independent's 9/11 remarks in an heartfelt recording. In it, the candidate remembered how, when he first ran for the legislature, a family member suggested to him that he did not have to disclose about his religion. It was a lesson, he said, that many local Muslims had been told “again and again”: “That safety could only be found in the shadows of our community. That it is in those shadows alone where Muslims could embrace their true selves, and that if we were to step out from those shadows, then it is in those shadows that we must leave our beliefs.”

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