Learn about tax rates and prioritize your spending habits. Contact a consulting firm if you still need help making a budget. One of the most difficult aspects of relocating overseas may be making the financial transition. It could take weeks to settle into a budget that supports your way of life, especially if babbling on a mobile phone and frequenting pricey restaurants is your thing.
Some cities are notoriously expensive.
Tokyo consistently ranks up there. I think it's just a matter of the real estate itself. Housing is one of the main costs. According to Runzheimer International, an expatriate couple with one child living and working in Seoul, South Korea would require more than three times the income of an identical family in Johannesburg, South Africa. The US State Department updates its per diem rates on a monthly basis.