Maximize Your Year-End Tax Refund: A Guide to Pension Savings and IRP Deductions

As the year comes to a close and the time to prepare for your "13th month salary" approaches, the first financial products that employees should review are ‘Pension Savings’ and ‘Individual Retirement Plans (IRP)’. Unlike credit card income deductions or deductions for medical and educational expenses, pension accounts offer a direct ‘tax credit’ benefit, which reduces your calculated tax based on the amount you contributed, making it the most effective and powerful way to save on taxes at year-end.

1. Income Deduction vs. Tax Credit: Why Pension Accounts Are Powerful

Many people often confuse the concepts of income deduction and tax credit.

Income Deduction (credit cards, personal exemptions, etc.): This method reduces the ‘taxable income’ amount that serves as the basis for taxation. The actual tax savings you experience varies depending on your tax bracket.
Tax Credit (pension savings, IRP, monthly rent, etc.): This method directly deducts a set percentage from the calculated tax (tax liability). In other words, a certain percentage of the money you contributed is refunded to you in cash, resulting in a powerful effect.

2. Tax Credit Limits for Pension Accounts and Refund Amounts by Income in 2026

According to the government's policy to expand tax support for pensions, the annual tax credit contribution limit for pension savings and IRP combined is up to 9 million KRW.

Pension Savings Standalone Limit: Up to 6 million KRW annually
Additional IRP Combined Limit: By contributing an additional 3 million KRW to the IRP on top of the 6 million KRW for pension savings, you can claim a total deduction of 9 million KRW (you can also contribute the full 9 million KRW solely to the IRP).

💡 Tax Credit Rates and Actual Refund Calculation Based on Total Salary When you fully utilize the 9 million KRW limit, the actual tax refunded to your account varies by income bracket.

Total Salary of 55 million KRW or Less (Comprehensive Income of 45 million KRW or Less): Tax credit rate of 16.5% → If you contribute 9 million KRW, you can receive a maximum refund of 1,485,000 KRW.
Total Salary Exceeding 55 million KRW (Comprehensive Income Exceeding 45 million KRW): Tax credit rate of 13.2% → If you contribute 9 million KRW, you can receive a maximum refund of 1,188,000 KRW.

3. Pension Savings Fund vs. IRP: Optimal Fund Allocation Strategy

If you need to make a significant contribution within a limited salary, what order of payments is most advantageous? Financial experts unanimously recommend the formula: ‘Prioritize contributing 6 million KRW to Pension Savings → Use surplus funds to contribute an additional 3 million KRW to IRP’.

Fees and Costs: Most pension savings funds opened through online brokerage firms have no account management fees for life. In contrast, IRPs may incur management and asset management fees ranging from 0.1% to 0.3% annually, depending on the financial institution.
Investment Asset Autonomy: Pension savings funds allow for 100% aggressive investment in overseas stock ETFs like the S&P 500 and Nasdaq 100. In contrast, IRPs must allocate at least 30% to ‘safe assets’ such as deposits or mixed bonds, as mandated by retirement pension regulations.
Flexibility of Early Withdrawal: Life can sometimes necessitate immediate funds. With pension savings, you can make partial early withdrawals by paying a 16.5% other income tax on the principal and earnings that received tax credits. However, IRPs do not allow partial early withdrawals unless it is for legal reasons such as purchasing a home for non-homeowners or undergoing long-term care for more than six months, and you must close the entire account upon termination.

⚠️ Summary of the Golden Allocation Ratio If your annual tax-saving capacity is 6 million KRW or less, it is most efficient to concentrate all contributions in the pension savings fund for its management convenience and investment autonomy. Only when you want to claim a full deduction exceeding 600,000 KRW up to the maximum of 9 million KRW should you distribute the excess 3 million KRW to the IRP.

4. Three Important Considerations to Check Before December Contributions

Adhere to Contribution Deadlines: On the evening of December 31, there is a risk of missing out on the year-end processing due to bank or brokerage system checks or deposit delays. It is advisable to complete your contributions safely by December 28-29.
Verify Tax Liability Limits: Tax credits can only be claimed within the limits of the income tax (tax liability) you have paid through withholding during the year. If your tax liability is close to zero due to other deductions, contributing 9 million KRW to your pension account will not yield any tax refund. Check your expected tax liability in advance using the National Tax Service’s Home Tax ‘Year-End Tax Settlement Preview’.
Penalties for Early Withdrawal Before Age 55: Pension accounts are fundamentally designed for retirement savings. If you receive your pension (in installments over 10 years) after age 55, you will only pay a low pension income tax of 3.3% to 5.5%. However, if you withdraw early as a lump sum before age 55, you must repay the tax benefits you received at a rate of 16.5% as other income tax. Therefore, these funds should be managed as long-term surplus funds rather than immediate living expenses.

📌 Editor's 3 Key Takeaways

Combine 6 million KRW in pension savings + 3 million KRW in IRP for a maximum annual tax credit of 9 million KRW.
Employees with a total salary of 55 million KRW or less can receive a maximum cash tax refund of 1,485,000 KRW.
Prioritize funding the pension savings fund first, which has no fees and allows 100% investment in stock ETFs.