Income tax in the United States These treaties reduce the chance of double taxation by allowing each country to fully tax its citizens and residents and reducing the amount the other country can tax them. Generally the treaties provide for reduced rates of tax on investment income and limits as to which business income can be taxed. The treaties each define which taxpayers can benefit from the treaty. The United States social insurance system is funded by a tax similar to an income tax. Social Security tax of 6.2% is imposed on wages paid to employees. The tax is imposed on both the employer and the
Hall income tax Hall income tax The Hall income tax is a Tennessee state tax on interest and dividend income from investments. It is the only tax on personal income in Tennessee, which does not levy a general state income tax. The tax rate prior to 2016 was 6 percent, applied to all taxable interest and dividend income over $1250 per person ($2500 for married couples filing jointly). Revenues are shared with the government of the municipality or county where the taxpayer resides. In 2016, the state reduced the Hall income tax to 5% with intention to eliminate it completely. On April 26,