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Business type DC (401k) is a corporate 、 system where employees choose their own products.

It is officially referred to as "corporate definitive contribution ". It is not a system that determines the future amount from the beginning, but the receipt will change depending on the contribution and operation results.

It is a system that the company prepares, but it is the person who chooses the operation. This is a system to make post-age funds, but it is not enough for many years.

About 401k

The company-type DC is a system that the company manages the worker's worker's money.

In Japan, it is called "corporate determined contribution 。", "company type DC". 401k may be used as a generic name from the US institution.

項目内容
NameCompany-type determined contribution 出
略称Business Type DC
A person who paysMain company
People to operateSubscriber
PurposePost-age funding
Delivery time60 years old

The Company may be introduced as part of the re。ement plan.

In other words, the company type DC is not a re ement money that the company will make a success. It is a system that asks how to operate the money that the company has made.

Differences from the final benefit

Corporate 、 has a large "definition benefits" and "definition contributions".

DB is a type in which future benefits design is determined in advance.

The company-type DC is a type that has a fixed stake, and the future payout will change depending on the operation result.

項目Corporate Pension (DB)Business Type DC
What is determinedFuture benefits designSubmit
運用責任Company / FundSubscriber
PaymentSystem designChanges in Operation Results
SubscribersBasically smallProduct selection and distribution change

The most important thing is that you have an operational risk.

However, this is not a bad thing. If you choose a long-term, low- investment trust and operate it dispersed, there is a room for growing post-age funds.

What products do you operate?

In the company-type DC, the operators contracted by the company prepare the product lineup.

Subscribers choose products from them.

Frequently Questions

ProductsFeatures
Time DepositOriginal type Hard to understand
InsuranceThere are products that are close to the original type
国内 Stock IndexDecentralized investment in Japanese stock
Advanced Stock IndexDecentralized investment in overseas developed countries
Worldwide SharesWidely distributed to global stocks
Balance typeManagement of shares and bonds

It is easy to stumble here.

Depending on the company, you may enter the specified operation method and the original product. It seems to be safe, but if you look at it for 20 or 30 years, you may lose it.

Business type DC is a system that can be used for the elderly. I want to think about which asset in the long term than short-term business movement.

Tax Benefits

Corporate DC has tax benefits.

There are three main reasons:

TimingTax Benefits
HomeCompany accounts are not taxed as salary
OperationNon-taxable
ReceiptIf it is a temporary payment, it may be subject to deduction of re ement income,, etc.

In the company that introduces matching contributions, employees may be able to withdraw funds by upside.

The stakes issued by this person are subject to subsidy for small-scale companies. It is important to make post-age funds while reducing the burden of income tax and resident tax.

However, it is dangerous to increase taxation by only tax benefits. As a general rule, the company type DC does not apply to the age of 60. It is a money that is difficult to use for home purchase, education, and job change.

What is matching contribution?

Matching contribution is a mechanism that enables the subscriber to withdraw the money by adding in addition to the company's account.

It can be used when a company is introduced as a system.

In April 2026, as part of the revision of the company-type DC contribution limits, the withdrawal of the amount of the subscriber’s stake in the matching contribution has been enforced.

However, it is not possible to give up. The upper limit will be changed depending on the legal contribution limit, the company's rules, and the presence or absence of other corporate systems.

If you use it, it is safe to check in the following order.

  1. Is there a matching system in your company?
  2. How much is your contribution limit
  3. Is it possible to use with iDeCo?
  4. Don’t worry if you don’t have a discount until 60 years old

It is more than just tax savings, it is more likely to think with a margin of the household.

After 60 years old

Corporate-type DC is a system for building post-age funds.

In principle, it is not included in the discount until the age of 60. In the case of the age of 60, the total amount of is less than 10 years.

There are mainly the following types for receiving.

How to receive内容
PaymentSend
TagSplit and receive
併用Partially receive temporary and partially

In the case of temporary payment, re ement income deduction, public, etc. deduction is related.

If you have any other re ement or corporate, it is better to simulate it before re。ement.

Be careful when re ement

It is a transfer procedure when changing jobs and re。ement.

After you 。 your company, you may be able to transfer your assets to the following company:

If the following company does not have a corporate type DC, or if you continue with it, you have the option to transfer to iDeCo.

When left, it may be replaced automatically. When automatic transfer, it may be扱いous, such as unoperable, handling fees, and not 。 into the subscriber period.

When you retire, you want to checklist not only re ement and un insurance, but also corporate DC transfer.

Common failures in corporate DC

None of the original type

There is a sense of security that is difficult to crack the original.

However, if a person who has been 20 years or 30 years of age is all on a regular deposit, it is possible to lose inflation.

Select by Product Name

The product name such as "stable", "growth", and "balance" is not understood.

View investment targets, trust rewards, share ratios and foreign exchange risk.

Only payable to see operation status

It tends to be a sense of money because the company puts out a stake.

Even once a year, it is better to check the balance, operational yield, and product distribution.

Forgot to re

If you leave a company-type DC at the time of job change, it may be手続きous on the procedure.

Be sure to check the DC transfer guide along with re ement documents.

Figure: Business type DC flow

Basic Structure of Corporate DC Company Submit Subscriber Select a product 運用 Increase and decrease in results 受取 60 years old The company has the responsibility of the owner.

Business type DC (401k) is a system that is very important for the development of old post-age funds.

It is the person who chooses an operation product while the company makes a withdrawal. The future receipt will change depending on whether it is used as a securing model, or whether it is used as a stock or a balance type.

First of all, you need to check your company’s receivables, product lineup, matching contributions, and re。ement rules. Just press here, the company type DC is pretty easy to handle.

Reference

  • Date: 2026-05-28
This article is for educational and informational purposes only, based on public information. It is not a recommendation or solicitation to buy or sell any specific security or financial product. Although care is taken with accuracy, the content and future investment outcomes are not guaranteed. Final investment decisions should be made at your own judgment and responsibility.