Cheapest compared to New York City. rent index and groceries is how much % cheaper it is than New York City. also considered is purchasing power and consumer price that was not included in this quiz.
Rent index: Compares typical rental prices in the country to New York City.
Groceries index: Compares typical grocery prices in the country to New York City.
For my source it just compares countries that are significantly cheaper to live in than new york city. it also has a lot of factors that go into it like purchasing power and consumer price but i thought thatd be too complex to include in the quiz.