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New Yorkers will discover the identity of their next mayor this Tuesday, in a contest that will determine who governs and defends the nation's largest city at a moment when Donald Trump has vowed to deploy military troops to the urban center.

Against that backdrop, New York has witnessed a race for mayor that has matched two very different Democratic figures against each other. The contest has turned into an acrimonious showdown, marked by accusations of racism and Islamophobia, but it is the ideological divide between the two main contenders that could have major implications for how the Democratic party fares in next year's congressional races.

The Rising Progressive

On the left side 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 the former governor, the ex- Democratic New York governor now campaigning independently – and benefiting from the backing of wealthy contributors and big business.

As the election approaches, it is Mamdani, the former longshot who beat Cuomo in the party primary who is firmly installed as the leading candidate. Mamdani, who has run on a agenda of affordability and pledged to halt rent increases for about 2 million New Yorkers, has outpaced his rival by significant margins in every poll taken in the fall, and it is very much the younger man's race to throw away.

A Bitter Contest

However, Cuomo, who stepped down as governor in 2021 amid accusations of misconduct, has made it clear he will fight to the finish, and not necessarily in an fair fashion. He has trashed Mamdani's objectives as unachievable, and in the final stretch laughed as a radio host made anti-Muslim comments about the candidate, who is a Muslim. Recently, the independent was widely condemned as bigoted after sharing an AI-generated ad that included a slew of racial caricatures and showed his opponent freeing a group of criminals.

It's been a particularly ugly end to an race that could be critical to the direction that the party, struggling in its reaction to Trump's authoritarian grabs, adopts in the coming years.

Broader Consequences

Should Mamdani secures a clear victory, the party establishment who have declined to support his bid will be forced to reckon with a platform that has resonated with Americans' frustration at inequality, inflation and the establishment. It would be hard for the Senate leader and the House leader not to embrace at least a portion of the candidate's ambitious ideas about affordability, given the newcomer has generated an enthusiasm within the Democratic ranks perhaps not seen since Bernie Sanders campaigned for the White House eight years ago.

Conversely, should Cuomo, who had been expected to win easily in the Democratic primary, achieve a remarkable riches-to-rags-to-riches win, it could reinforce national Democrats' current model of cautious, lackluster resistance – a strategy that has infuriated the party base. A New York defeat of Mamdani's progressive, positive message could convince party leaders that the best plan is to stick to the political center – even as surveys show the present version of the party is deeply unpopular across the country.

Voter Enthusiasm

Voters in New York seem to prefer the Mamdani vision. Polls show that Mamdani supporters are far more enthusiastic about their candidate than Cuomo backers, something that has been evident throughout the campaign. Mamdani's snappy videos on digital platforms, his optimistic vision for New York and his willingness to actually get out and meet people in the city has attracted an force of more than 50,000 volunteers, many of them youth or first-time voters.

Personal Attacks

Yet, the former governor, 67, continues to fight. And with the stakes stacked against him, the former governor has resorted to negative campaigning in recent weeks.

Following extensive throwing basically everything at Mamdani to see what might resonate, Cuomo has narrowed his focus on targeting the candidate personally. He has called his rival, who was born in Uganda to South Asian heritage, an “extremist”, and appeared on conservative media for an interview with a rightwing host, where the candidate claimed the city “will not survive” his opponent as city leader. It reached a nadir last week, when the former governor chuckled and said “that’s another problem” after a broadcaster said Mamdani would “cheer” another terrorist attack.

Campaign Dynamics

The line of attack echoes much of what the former president, who has sent the national guard to Washington DC and threatened to do the same to NYC, has said about the progressive, and perhaps that shouldn’t come as a surprise. A group of wealthy residents, including some who contributed to the Republican in the 2024 election, have invested heavily into trying to get Cuomo into office, as other powerful voices have urged Curtis Sliwa to drop out from the race.

Political Histories

For the his team, and his billionaire supporters, are concerned, it should not have reached to this point. When Mamdani, one of one hundred fifty state legislators, launched his mayoral bid in October 2024, not many had known him, and in truth, barely anyone even noticed.

The former governor, by comparison, entered smoothly into the contest in March 2025 and became the immediate frontrunner. He was the political heavyweight who seemingly held every edge. The classic political insider, he had married a political dynasty member and worked in Bill Clinton’s administration. He assumed office as New York governor in 2011, seventeen years after his parent, Mario Cuomo, left office from the same position.

Mamdani, who was voted in to the New York state assembly 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 brighter outlook of the city's direction than Cuomo’s pessimistic predictions about “mayhem” and unfettered crime, and his promise to hire more police officers.

Recent Challenges

Still, Mamdani has encountered difficulties in the final phase, after video emerged suggesting him suggesting the NYPD and the Israel Defense Forces were intertwined.

“We have to make clear that when the boot of the NYPD is on your neck, it’s been laced by the IDF,” the candidate said in the clip, recorded at a DSA convention in recent years. Mamdani, a vocal opponent of the Israeli government who has said the country is engaging in atrocities in the Palestinian territory, indicated he was questioning joint training exercises between the NYPD and IDF.

Powerful Moment

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

The progressive addressed the independent's 9/11 remarks in an emotional video. In it, Mamdani remembered how, when he first campaigned for the legislature, a Muslim uncle advised to him that he did not have to disclose about his religion. It was a lesson, Mamdani said, that many local Muslims had been told “again and again”: “That safety could only be found in the margins of our city. That it is in those hidden spaces alone where Muslims could express their true selves, and that if we were to step out from those seclusion, then it is in those silence that we must leave our beliefs.”

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