Younger New Yorkers are starting to make their mark at the ballot box — turning out at a higher clip over the past few days of early voting in the highly-watched mayoral race.

New Yorkers under 50 years old, who are more likely to pick 34-year-old Democratic nominee Zohran Mamdani, have been closing the gap each day throughout the week with older voters , a bloc that has traditionally made up a majority of poll-goers.

The trend could spell bad news for Andrew Cuomo, who has been counting on the older vote to help boost him to an upset victory over the young socialist, with surrogates touting the near 60% of turnout in that age group over the weekend as a boon for the ex-governor.

The 50-plus crowd kicked the week off strong, accounting for more than 62% of the votes cast on Monday, on

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