In terms of GDP, New York City's economy is larger than Russia's economy. According to the IMF's data for 2020, Russia had a GDP of $1.48 trillion, while New York City had a GDP of $1.5 trillion. And if you throw in the rest of the State...
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America’s third largest state economy – New York with a GDP in 2018 of $1.68 trillion – produced slightly more economic output last year than Russia ($1.63 trillion). As a separate country, New York would have ranked as the world’s 11th largest economy last year, ahead of No. 12 Russia ($1.63 trillion)

Putting America's Huge $20.5T Economy into Perspective by Comparing US State GDPs to Entire Countries
The map above (click to enlarge) matches the economic output (Gross Domestic Product) for each US state (and the District of Columbia) in 2018 to a foreign country with a comparable nominal GDP last year, using data from the BEA for GDP by US state and data for GDP by country from the...

