3. Doha, Qatar
Doha is located in the Persian Gulf. The population of the area is 1.4 million. The Middle East is developing thanks to the financial well-being of the region. In Doha an average resident spends over $2,800 per month.

4. Honolulu, Hawaii, U.S.
The meaning of the city’s name is ‘sheltered harbor’. This is the capital city of the Islands. In 2015 it was estimated that it is one of the safest places in the United States. Million tourists visit Honolulu every year. This Oceanian city is too expensive to live in – you will need at least $2,900 to support yourself there.