In my own country, the tax is defined as a tax that is a particular measure by which the state uses its power to communicate the private sector to the public sector for its socio-economic functions. governments. From a taxpayer perspective, taxes are defined as the number of compulsory contributions that every organization or individual has to pay to the state in accordance with the law in order to meet the need for expenditures for the performance of functions and duties. of the state, taxpayers can legally enjoy the remaining income.
This is called the progressive taxation and you are taxed according to the rise in your income. Besides, this is something that the state has to rely on if the economy is not in a very good shape.
It actually shrinks the gap between rich and poor of a country and has been a good portion of the GDP of almost all the countries except Dubai where it accounts to only one percent of the total GDP. In countries like Norway, taxation contributes up to 30% to the GDP. This is the reason why the living standards have been so high in countries like these.