Taxation of cryptocurrency income varies widely around the world. Here are the top 10 countries with the highest tax rates on cryptocurrency income, starting with the highest:

1. Japan 🇯🇵: The maximum income tax rate reaches 55%. Income from cryptocurrency is taxed on a progressive scale, similar to other types of income.

2. Denmark 🇩🇰: From 2026, a tax of up to 42% on unrealized profits from cryptocurrencies is planned, making Denmark the first country with such an approach.

3. Italy 🇮🇹: Considering raising the tax on capital gains from cryptocurrencies from 26% to 42%, following Denmark's example.

4. France 🇫🇷: Capital gains tax rate is 30%, but income up to €305 is exempt from taxation.

5. Germany 🇩🇪: Income from cryptocurrencies held for less than a year is taxed at up to 45%. If assets are held for more than a year, there is no tax.

6. UK 🇬🇧: Capital gains tax is 20% for high-income earners and 10% for everyone else.

7. Australia 🇦🇺: Capital gains tax is 30% for companies and 15% for individuals, with a discount possible if assets are held for more than a year.

8. USA 🇺🇸: Capital gains tax rates range from 0% to 37%, depending on income level and how long assets are held.

9. Canada 🇨🇦: 50% of capital gains from cryptocurrencies are included in taxable income, at standard income tax rates.

10. South Korea 🇰🇷: Plans to impose a 20% tax on cryptocurrency income exceeding 2.5 million won (around $2,000).

Please note that tax laws are constantly changing. It is recommended to consult with local tax specialists for up-to-date information.