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
Income tax in Australia on annual turnover. Generally, capital gains are only subject to tax at the time the gain is realised and are reduced by 50% if the capital asset sold was held for more than 1 year. In Australia the financial year runs from 1 July to 30 June of the following year. The first income tax in Australia was imposed in 1902 by Queensland. Federal income tax was first introduced in 1915, as a wartime measure to help fund Australia’s war effort in the First World War. Between 1915 and 1942, income taxes were levied by both State governments and the