Ecuador is approximately 283,561 sq km, while New Caledonia is approximately 18,575 sq km, making New Caledonia 6.55% the size of Ecuador. Meanwhile, the population of Ecuador is ~16.9 million people (16.6 million fewer people live in New Caledonia).
This to-scale map shows a size comparison of Ecuador compared to New Caledonia. For more details, see an in-depth quality of life comparison of New Caledonia vs. Ecuador using our country comparison tool.