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Income tax

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An income tax is a way for governments to collect money from people and companies. This money is based on what those people or companies earn. This amount is often called taxable income.

Individual Taxation Systems
Individual Taxation Systems

Most systems calculate the tax by multiplying a tax rate by that income. Some people pay different rates based on what kind of money they make. For example, money from investments might have a lower rate than a regular job. Many places also let charities avoid paying this tax.

Top marginal income tax rate, OWID
Top marginal income tax rate, OWID

How the tax is calculated can change depending on the rules. Many places use a progressive tax system. This means the tax rate goes up as a person earns more money. For instance, someone might pay 0% on their first $10,000. They might pay 1% on the next $10,000 they earn. Companies usually pay a corporate tax, which is often a flat rate.

Tax rates on dividend income in OECD
Tax rates on dividend income in OECD

People can also use deductions to lower their tax. Deductions are costs, like business expenses, that are taken away from the total income. This makes the taxable amount smaller.

Taxing income is a modern idea that needs a money economy to work. Long ago, people paid taxes on land, animals, or social status instead. In 9 CE, Emperor Wang Mang of the Xin dynasty created an early income tax. He taxed 10% of earnings from fishing, herding, and collecting fruit. People had to report their earnings to officials. If they did not, they could face hard labor or lose their property. This specific tax was ended in 22 CE because people were unhappy.

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The stratagem alias the French bug-a-bo or Iohn Bull turn%27d scrub %28BM 1868,0808.6811%29

In England, William Pitt the Younger introduced a progressive tax in 1798. He needed money to pay for weapons during the French Revolutionary War. His tax started at a low rate for incomes over £60. It went up to a maximum of 10% for incomes over £200. In the United States, the first personal income tax began on August 5, 1861. This helped pay for the American Civil War. The rate was 3% for all incomes over $800.

Punch- Income Tax 1907
Punch- Income Tax 1907

The United States later passed the Sixteenth Amendment in 1913. This rule made the federal income tax legal under the Constitution. By the year 1918, the government collected over one billion dollars. By 1920, that amount grew to $5.4 billion. Tax rates in the US have changed a lot over time. During World War II, the highest tax rate was over 90%. Today, many countries like Canada, China, and Germany use similar systems to fund their governments.

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🖼️ Images & Media (7)
File:Top marginal income tax rate, OWID.svg
Top marginal income tax rate, OWID.svg
File:The_stratagem_alias_the_French_bug-a-bo_or_Iohn_Bull_turn%27d_scrub_%28BM_1868,0808.6811%29.jpg
The_stratagem_alias_the_French_bug-a-bo_or...
File:Punch- Income Tax 1907.jpg
Punch- Income Tax 1907.jpg
File:GDP per capita PPP vs PIT 2016.svg
GDP per capita PPP vs PIT 2016.svg
File:Individual Taxation Systems.svg
Individual Taxation Systems.svg
File:Payroll and income tax by country.png
Payroll and income tax by country.png
File:Tax rates on dividend income in OECD.svg
Tax rates on dividend income in OECD.svg
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