On 30 October 2014, the U.S. Internal Revenue Service issued the Various Tax Benefits Increase Due to Inflation Adjustments for tax year 2015, including the adjusted tax brackets for individual income tax. The tax rates remain the same. For tax years beginning in 2015, the brackets and rates for unmarried individuals (other than surviving spouses and heads of households) are as follows: up to USD 9,225 - 10% over USD 9,225 to 37,450 - 15% over USD 37,450 to 90,750 - 25% over USD 90,750 to 189,300 - 28% over USD 189,300 to 411,500 - 33% over USD 411,500 to...