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Residents of the Big Apple will learn who will be their next mayor this election day, in a race that will determine who governs and defends the country's most populous metropolis at a moment when the former president has threatened to deploy armed forces to the urban center.

In this context, New York has witnessed a race for mayor that has matched two very different Democrats against one another. The contest has become an acrimonious face-off, laced with accusations of racial bias and anti-Muslim sentiment, but it is the political differences between the two main contenders that could have significant consequences for how the party fares in next year's congressional races.

The Progressive Challenger

On the left side is the democratic socialist, the 34-year-old progressive candidate whose meteoric rise and people-powered movement has brought global notice. Representing the old guard is Andrew Cuomo, the ex- New York governor now running as an independent – and enjoying the support of ultra-rich donors and corporations.

With days to go, it is the progressive, the former longshot who beat Cuomo in the Democratic primary who is firmly installed as the frontrunner. Mamdani, who has run on a platform of economic justice and pledged to halt rent increases for about two million New Yorkers, has led Cuomo by significant margins in every poll conducted in October, and it is very much the progressive's election to lose.

A Bitter Contest

However, the former governor, who resigned as the state's leader in 2021 amid accusations of misconduct, has stated clearly he will fight to the finish, and not necessarily in an fair fashion. He has criticized his opponent's goals as unachievable, and in the final stretch laughed as a radio host made Islamophobic remarks about the candidate, who is Muslim. Two weeks ago, Cuomo was strongly criticized as bigoted after sharing an artificial intelligence video that included a slew of racist stereotypes and showed Mamdani releasing a convicts.

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, adopts in the coming years.

National Implications

If the progressive secures a clear victory, the party establishment who have refused to endorse his campaign will be compelled to address a message that has resonated with Americans' frustration at inequality, inflation and the political elite. It would be difficult for the Senate leader and the House leader not to embrace at least a portion of Mamdani's progressive proposals about economic justice, given the newcomer has generated an enthusiasm within the party arguably not seen since the Vermont senator campaigned for the White House eight years ago.

However, should Cuomo, who had been predicted to win easily in the June primary, achieve a remarkable riches-to-rags-to-riches win, it could cement national Democrats' current model of considered, lackluster resistance – a strategy that has angered grassroots members. A NYC rejection of the progressive's optimistic platform could convince party leaders that the best plan is to stick to the center – even as surveys show the current iteration of the Democratic party is deeply unpopular nationwide.

Voter Enthusiasm

Voters in the city seem to prefer the Mamdani vision. Polls show that Mamdani supporters are far more enthusiastic about their choice than Cuomo backers, something that has been apparent during the race. The candidate's snappy videos on social media, his hopeful outlook for the city and his willingness to actually venture out and meet people in the city has drawn an army of over fifty thousand volunteers, many of them young or first-time voters.

Personal Attacks

Yet, the former governor, 67, continues to fight. And with the risks stacked 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, the independent has narrowed his focus on targeting Mamdani directly. He has labelled Mamdani, who was born in Uganda to South Asian heritage, an "radical", and popped up on conservative media for an discussion with a rightwing host, where the candidate asserted the city “will not survive” Mamdani as city leader. It reached a nadir last week, when Cuomo laughed along and said “that’s another problem” after a radio host said Mamdani would “cheer” another 9/11-style incident.

Campaign Dynamics

The line of attack echoes much of what Trump, who has sent the military reserves to Washington DC and threatened to take similar action to NYC, has said about the progressive, and perhaps that shouldn’t come as a surprise. A set of wealthy residents, including some who donated to the Republican in the 2024 election, have invested heavily into trying to get the independent elected, as other influential figures have urged the Republican candidate to withdraw from the contest.

Candidate Backgrounds

As far as the Cuomo camp, and his billionaire supporters, are worried, it should not have reached to this point. When Mamdani, one of 150 New York state assembly members, started his campaign for mayor in October 2024, not many had heard of 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 classic establishment figure, he had wed a Kennedy and served in Bill Clinton’s administration. He became the state's leader in over a decade ago, seventeen years after his father, Mario Cuomo, stepped down from the same position.

The progressive, who was voted in to the state legislature in recently, does not have the same political heritage. But his dedication to providing free buses and affordable child services – along with the freeze-the-rent pledge – present a brighter outlook of the future than Cuomo’s dire warnings about “mayhem” and rising criminal activity, and his vow to hire more police officers.

Recent Challenges

Still, the candidate has encountered some challenges in the final phase, after footage emerged suggesting him implying the NYPD and the IDF were connected.

“We have to make clear that when the boot of the NYPD is on your neck, it’s been influenced by the Israeli military,” the candidate said in the recording, filmed at a Democratic Socialists of America convention in 2023. Mamdani, a longtime critic of Israel who has said the nation is committing genocide in the Palestinian territory, suggested he was criticizing cooperative programs between the city police and Israeli forces.

Powerful Moment

As the race closes, Mamdani appears to have won empathy and backing, however, for his reaction to Cuomo’s increasing rhetoric.

The progressive addressed the independent's terrorism comments in an heartfelt recording. In it, the candidate recalled how, when he first campaigned for state assembly, a Muslim uncle suggested to him that he did not have to tell people about his Muslim faith. It was a lesson, he said, that many local Muslims had been taught “again and again”: “That security could only be found in the shadows of our community. That it is in those hidden spaces 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 set aside our beliefs.”

Speaking to the behavior of Cuomo and Sliwa, who has claimed Mamd