Voluntary taxation is a theory that states that taxation should be a voluntary act. Under the theory, people should have the option to pay taxes instead of being forced to pay taxes by their government. Under this theory, people would control how much they pay and where they spend it. The theory is a part of Objectivist politics and many libertarian ideologies. Proponents of some studies assert that individuals will give to government, paying voluntary taxes to support specific functions. Donations average 22 percent of an endowment to government, and 27 percent to private nonprofits, and are influenced by their cause, level, and perceptions of effectiveness and efficiency.State lotteries are an example of a voluntary taxation system.
The American federal income taxation system is sometimes called a "voluntary" taxation system. Marjorie E. Kornhauser writes, "Most people never pay their taxes voluntarily, in the ordinary sense of the word. Rather, they are generally anti-tax, in that they usually would prefer to keep any income they receive than pay it to the government in taxes. Voluntary, in the context of taxation, simply means that people do not have to be compelled to pay their taxes through actual enforcement actions by the state." The "income taxes are voluntary" argument has not prevented U.S. residents who did not file tax returns or pay taxes from being prosecuted and convicted for tax offenses.
Lysander Spooner stated, "It is true that the theory of our Constitution is, that all taxes are paid voluntarily; that our government is a mutual insurance company, voluntarily entered into by the people with each other; that each man makes a free and purely voluntary contract with all others who are parties to the Constitution, to pay so much money for so much protection, the same as he does with any other insurance company; and that he is just as free not to be protected, and not to pay tax, as he is to pay a tax, and be protected. But this theory of our government is wholly different from the practical fact. The fact is that the government, like a highwayman, says to a man: “Your money, or your life.” And many, if not most, taxes are paid under the compulsion of that threat. The government does not, indeed, waylay a man in a lonely place, spring upon him from the roadside, and, holding a pistol to his head, proceed to rifle his pockets. But the robbery is none the less a robbery on that account; and it is far more dastardly and shameful. "