A ₩600M Semiconductor Bonus — What Actually Hits Your Bank Account
In the first half of 2026, semiconductor bonus stories took over Korean news portals. Headlines like "₩600 million at Samsung Memory, ₩700 million at SK hynix" and "average annual pay reaching ₩1 billion" filled the trending searches, and in the hiring market people even started saying, "if both make you an offer, take Hynix."
But there's one thing most people miss here: the ₩600 million in the articles is a pre-tax number. What actually shows up in the bank account is far less. In this post, we'll pin down exactly what the reported numbers were, then look at how much of a nine-figure bonus actually survives — and how that changes by amount — from a bonus take-home pay perspective.
The ₩600M in the headlines — what exactly was that number?
First, let's get the reporting straight. Here's what the 2026 semiconductor bonuses reported in the press actually were.
Total ₩647.82 million (pre-tax)
That's ₩187.23 million in division-wide performance pay plus ₩460.59 million from the Memory Division's own bonus. The pool is 10.5% of business results agreed between labor and management, and the after-tax amount is paid in company stock, with part of it vesting over one to two years.
Roughly ₩600–700 million (pre-tax)
With 10% of operating profit set aside as the profit-sharing (PS) pool and the payout cap abolished, nine-figure bonuses became possible. The figure is a simple average — the projected pool divided by total headcount — coming out above ₩600 million per person, with 80% of each individual award paid in the current year and 20% spread over two years.
Why a ₩600M gross bonus shrinks to about half in the bank
A bonus isn't free money — it's employment income. Taxes and social insurance apply exactly as they do to your salary. The problem is that for nine-figure bonuses, these deductions get very heavy. There are three reasons.
- Progressive tax rates — employment income is combined with your base salary, and the more you earn, the higher your bracket. Above a tax base of ₩1 billion, the top rate of 45% applies.
- Local income tax — income tax isn't the end of it. Another 10% of the computed income tax is added as local income tax.
- Health insurance settlement — health and employment insurance are levied on total compensation including bonuses. The bigger the bonus, the bigger these get.
By contrast, the National Pension is assessed on a fixed standard monthly income, so it rarely applies to an individual bonus — and even when it does, there's a cap (around ₩290,000 per month as of 2026), making it negligible on a nine-figure bonus. In the end, what determines the take-home on a large bonus is progressive income tax.
So what does a ₩600M bonus actually leave in the bank?
Now for the main event. If you received a ₩600 million bonus, how much would be left? Using the calculation logic of the bonus take-home calculator (2026 tax law and social insurance rates, bonus taxed on its own — note the tool's interface is in Korean), the result comes out as follows.
| Item | Amount |
|---|---|
| Bonus (pre-tax) | ₩600,000,000 |
| Income tax | − ₩216,060,000 |
| Local income tax | − ₩21,606,000 |
| Health + long-term care insurance | − ₩24,404,290 |
| Employment insurance | − ₩5,400,000 |
| Take-home | ≈ ₩332,529,710 |
A gross ₩600 million shrinks to about ₩332.53 million in the bank. Total deductions come to roughly ₩267.47 million — an effective deduction rate of about 44.6%. Nearly half goes out in taxes and insurance premiums.
Take-home by bonus size — from ₩10M to ₩600M
The bigger the bonus, the higher the effective deduction rate climbs. Because of progressive rates, doubling the bonus doesn't double the take-home. Here's how much is left at each level.
| Bonus (pre-tax) | Take-home | Effective deduction rate |
|---|---|---|
| ₩10 million | ≈ ₩8.84 million | 11.6% |
| ₩50 million | ≈ ₩40.65 million | 18.7% |
| ₩100 million | ≈ ₩73.52 million | 26.5% |
| ₩300 million | ≈ ₩181.63 million | 39.5% |
| ₩500 million | ≈ ₩283.70 million | 43.3% |
| ₩600 million | ≈ ₩332.53 million | 44.6% |
Look at the table and you can see the deduction rate climbing like a staircase at each bracket. A ₩10 million bonus loses only 11.6%, but at ₩100 million it's 26.5%, past ₩300 million it's approaching 40%, and from ₩500 million it exceeds 43%. The bigger the bonus, the smaller the share you actually keep — that's the nature of progressive taxation.
How much of your bonus will you keep? Run your own numbers
This post used ₩600 million as an extreme example, but the same logic applies whether it's a ₩3 million holiday bonus or a ₩50 million incentive. When you're negotiating a bonus or weighing a job offer, judging by "how much in the bank" rather than "how much pre-tax" keeps your decisions grounded.
The bonus take-home calculator (interface in Korean) computes your take-home the moment you enter the bonus amount. Add your monthly salary, payment period, and dependents, and it switches to the precise calculation applying the bonus tax rule of Article 195 of the Income Tax Act Enforcement Decree. Each of the social insurance items can be toggled on or off to match your company's policy.
- Enter just the bonus amount and see your take-home instantly
- Add your monthly salary to switch to the withholding-table-based precise mode
- Income tax lookup reflecting dependents and children
- Toggle National Pension, health, and employment insurance to match company policy
If you need similar calculations, the salary take-home calculator and the weekly holiday pay calculator (both in Korean) are worth a look too. For the earnings background behind these semiconductor bonuses, see the original reporting.