Democratic Socialists are cheering Zohran Mamdani’s proposal to raise taxes on millionaires if elected mayor of New York City. They should take a closer look at Scandinavia’s experience with the idea.

Sweden and Denmark are often heralded as successful socialist models and praised for highly progressive tax structures that soak the rich. But these countries are not socialist, and their taxes are a lot flatter than you think.

Mamdani proposes an additional 2 percentage point tax on New Yorkers earning more than $1 million annually. With this addition to the city’s top income tax rate of 3.9 percent, its highest combined federal, state and city rate would rise to 52 percent.

If successful in pushing through his plan, Mamdani would still need state approval, and Gov. Kathy Hochul isn’t sup

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