New York is about 4,703 times bigger than Tuvalu.

Tuvalu is approximately 26 sq km, while New York is approximately 122,283 sq km, making New York 470,219% larger than Tuvalu. Meanwhile, the population of Tuvalu is ~11,544 people (19.4 million more people live in New York).
Tip: This to-scale comparison of Tuvalu vs. New York uses the Mercator projection, which distorts the size of regions near the poles.