Luckily, the large database of Numbeo, publishes a study of the world's most expensive countries every year.
You would need an income of $5,856 per month to pay for a modest lifestyle in the capital of the U.K., compared to $7,760 per month for the equivalent lifestyle in New York,
according to 2019 figures from Numbeo, a site devoted to cost-of-living data for destinations around the world.