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Residents of the Big Apple will learn the identity of their new city leader this election day, in a contest that will determine who governs and protects the nation's most populous metropolis at a moment when Donald Trump has vowed to send armed forces to the city.

Against that backdrop, New York has experienced a mayoral election that has pitted two distinctly opposing Democrats against each other. The election has become an increasingly bitter showdown, laced with alleged racial bias and Islamophobia, but it is the ideological divide between the two leading candidates that could have major implications for how the party performs in next year's congressional races.

The Rising Progressive

In the progressive corner is the democratic socialist, the young progressive candidate whose meteoric rise and people-powered movement has brought global notice. Representing the old guard is the former governor, the ex- Democratic 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 defeated Cuomo in the Democratic primary who is firmly installed as the frontrunner. The candidate, who has run on a agenda of affordability and pledged to freeze rent for about 2 million New Yorkers, has outpaced Cuomo by double-digits in every poll taken in the fall, and it is very much the younger man's race to lose.

The Controversial Campaign

Yet, the former governor, who resigned as the state's leader in 2021 amid allegations of sexual harassment, has made it clear he will battle to the finish, and not necessarily in an fair fashion. He has criticized Mamdani's objectives as unachievable, and in the final stretch chuckled along as a broadcaster made Islamophobic remarks about Mamdani, who is Muslim. Two weeks ago, Cuomo was widely condemned as bigoted after posting an AI-generated ad that included a series of racial caricatures and showed Mamdani freeing a group of criminals.

It's been a particularly ugly end to an race that could be key to the path that the Democratic party, struggling in its reaction to Trump's authoritarian grabs, takes in the near future.

National Implications

Should the progressive secures a clear victory, the establishment party leaders who have declined to support his campaign will be forced to reckon with a message that has appealed to Americans' anger at inequality, inflation and the establishment. It would be hard for the Senate leader and Hakeem Jeffries not to adopt at least some of Mamdani's progressive proposals about economic justice, given the newcomer has generated an excitement within the Democratic ranks arguably not witnessed since Bernie Sanders campaigned for the White House eight years ago.

However, if the former governor, who had been predicted to win easily in the Democratic primary, achieve a surprising riches-to-rags-to-riches win, it could reinforce the party's existing approach of cautious, uninspiring opposition – a strategy that has angered grassroots members. A New York rejection of the progressive's progressive, positive message could convince party leaders that the wisest course is to stick to the political center – even as surveys show the current iteration of the party is deeply unpopular across the country.

Campaign Energy

Voters in the city appear to favor the progressive agenda. Polls show that Mamdani supporters are far more enthusiastic about their choice than his opponent's supporters, something that has been evident during the race. Mamdani's engaging content on social media, his optimistic vision for the city and his willingness to actually venture out and meet people in the metropolis has drawn an force of more than 50,000 volunteers, many of them young or new participants.

Negative Tactics

Yet, the former governor, 67, continues to fight. And with the stakes stacked against him, the former governor has resorted to ugly messaging in the final days.

Following extensive launching various attacks at Mamdani to see what might stick, Cuomo has narrowed his focus on targeting Mamdani directly. He has labelled Mamdani, who was of Ugandan origin to Indian parents, an "radical", and appeared on Fox Business for an discussion with a rightwing host, where Cuomo claimed the city “will not survive” Mamdani as mayor. It reached a nadir recently, when Cuomo laughed along and said “that’s another problem” after a radio host said Mamdani would “cheer” another 9/11-style attack.

Campaign Dynamics

This strategy echoes much of what the former president, who has sent the military reserves to the capital and warned to take similar action to New York, has said about the progressive, and perhaps that shouldn’t come as a surprise. A set of wealthy residents, including some who contributed to Trump in the last presidential race, have pumped millions into trying to get Cuomo elected, as other influential figures have pressured Curtis Sliwa to drop out from the contest.

Candidate Backgrounds

As far as the his team, and his wealthy backers, are concerned, it should never have come to this. When Mamdani, one of 150 state legislators, launched his mayoral bid in October 2024, few had known him, and in reality, few even noticed.

The former governor, by comparison, entered smoothly into the contest in March 2025 and became the instant favorite. He was the political heavyweight who apparently held all the advantages. The classic establishment figure, he had married a Kennedy and served in Bill Clinton’s administration. He assumed office as New York governor in 2011, 17 years after his father, Mario Cuomo, stepped down from the identical role.

The progressive, who was voted in to the New York state assembly in 2020, does not have the comparable background. But his dedication to providing free buses and free childcare – along with the rent control promise – present a more positive vision of the future than Cuomo’s pessimistic predictions about “mayhem” and unfettered crime, and his promise to hire more police officers.

Campaign Controversies

Nevertheless, the candidate has faced some challenges in the final phase, after video surfaced suggesting him suggesting the New York police department and the IDF were connected.

“We have to make clear that when the pressure of the NYPD is on your throat, it’s been influenced by the Israeli military,” Mamdani said in the clip, recorded at a DSA gathering in 2023. The progressive, a longtime critic of Israel who has said the country is engaging in atrocities in the Palestinian territory, suggested he was criticizing cooperative programs between the city police and Israeli forces.

Emotional Response

With the election nearing, Mamdani appears to have won empathy and backing, however, for his response to Cuomo’s escalating attacks.

Mamdani responded to Cuomo’s terrorism comments in an emotional video. In it, the candidate remembered how, when he first campaigned for the legislature, a Muslim uncle suggested to him that he did not have to tell people about his religion. It was a realization, he said, that many Muslim New Yorkers had been told “again and again”: “That safety could only be found in the margins 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 shadows that we must leave our faith.”

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