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 the Netherlands Income tax in the Netherlands Income tax in the Netherlands (personal, rather than corporate) is regulated by the "Wet inkomstenbelasting 2001" (Income Tax Law, 2001). The fiscal year is the same as the calendar year. Before April 1 citizens have to report their income from the previous year. The system integrates the income tax with fees paid for the general old age pension system (AOW), the pension system for partners of deceased people (), and the national insurance system for special medical care (). There are three categories of income, each with their own tax rates. They are referred to