Saudi Arabia

As the No. 1 oil exporter, it's more than fair that Saudi Arabiadoesn't levy a tax on salaries. However, self-employed expats are taxed at a rate of 20 percent. Petroleum is the main source of funding for the government - it accounts for about 75 percent of budget revenues, 45 percent of GDP and 90 percent of export earnings.
This Post Belongs To Countries with No Income Tax