South Korea to Tax Crypto Gains at 22% Starting January 2027

South Korea is moving closer to taxing crypto profits. The country’s tax agency has started full preparation for a new rule that will take effect in early 2027. Under this plan, profits from crypto trading and lending will face a 22% tax. This includes both national and local taxes. The move affects millions of investors and marks a major step in bringing digital assets under formal tax rules. Still, questions remain about whether the system will be ready in time.

Tax Rule Set for 2027 Rollout

The National Tax Service of Korea confirmed that crypto income will soon fall under “other income” rules. This change will begin on January 1, 2027. Under the law, investors will pay tax only if their yearly gains pass 2.5 million Korean won. That is roughly a small profit threshold meant to protect casual users. 

据 Edaily 报道，韩国国税厅已正式着手虚拟资产课税准备工作，目标是明年 1 月起正式施行。根据法律规定，国税厅正在确保交易所资料并构建整合分析系统，以确保 2028 年 5 月的首次综合所得税申报能够顺利进行。根据现行《所得税法》，自明年 1 月 1…

— 吴说区块链 (@wublockchain12) April 29, 2026

However, once profits cross that line, the full taxable portion will face a 22% rate. This includes 20% income tax and an extra 2% local tax. The rule also covers income from lending crypto, not just trading gains. Officials say the law is already in place. Now, the focus is on building the system to enforce it.

Building a System to Track Crypto Data

To make this work, the tax agency is gathering data from local exchanges. These include major platforms like Upbit, Bithumb, Coinone, Korbit, and Gopax. At the same time, the agency is building a new tracking tool. This system will collect and analyze crypto transaction data. It will help calculate profits and guide users during tax filing. The plan is clear. Testing will begin later this year. A pilot version will run before full launch. By the end of 2026, the system should be ready. Officials also want to connect the exchange data directly with the national tax platform. This will make reporting smoother when filing begins.

First Tax Filing Expected in 2028

Although the tax starts in 2027, investors will not file immediately. The first full tax filing is scheduled for May 2028. This delay gives both users and the system time to adjust. It also allows the government to collect a full year of data before processing returns. Authorities say they are preparing guidance for users. Many investors are still unsure how crypto gains will be calculated. Unlike stocks, crypto trades can be complex. Because of this, officials are reviewing different scenarios. They want to avoid confusion during the first filing season.

Debate Continues Over Timing

Not everyone agrees with the plan. Some experts worry the system may not be fully ready. Others say unclear rules around staking and other income types could cause issues. There is also a political debate. Some lawmakers have called for delaying or even removing the tax. They argue it could push traders to overseas platforms.

Still, the government appears committed. The plan targets a large user base. Reports suggest over 13 million people in South Korea hold crypto accounts. For now, the timeline stands. South Korea is preparing to bring crypto fully into its tax system. Furthermore, for investors, the message is simple. The era of tax-free gains is coming to an end.

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