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Taxation for Residents
Taxation for Non-residents
Tax Treaty
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 Taxation for Residents
A resident, as defined under the Income Tax Law, is an individual who has a permanent residency in Korea or has resided in Korea for a minimum of one year.
¡¤ Persons employed by a resident individual or a domestic corporation but working overseas
  are deemed as having residency in Korea.
¡¤ Such residents, regardless of their nationality, are taxed at graduated rates on net income from
  Korean sources.
¡¤ Resident individuals are taxed on their worldwide income but non-resident individuals are taxed
  only on Korean-source income.

The income tax system for both individuals and companies is unitary: income from all sources is added together and taxed at progressive rates.
¡¤ For the purposes of corporate income tax, companies are primarily classified as domestic
  or foreign entities.

The Income Tax Law specifies two categories of income: global, and schedular income.

¡¤ Global or gross income includes interest income, dividend income, rental income, business
  income, wage and salary, pension income, temporary property income and other income. Global incomes are aggregated and taxed at progressive rates.
¡¤ Schedular income comprises capital gains, retirement, and timber income. The tax amount is separately calcuated on each schedular income.

A person paying interest, dividends, business income or wages and salary is required to withhold income tax at the relevant rates at the time when payment is made.
(Unit:million won)
Category of Income Tax Base Tax Rate
Global
(Gross)
Aggregate income from interest, dividends (including deemed dividends), rental, business activities, wage and salary, pension, temporary property and others maximum 10
10 - 40
40 - 80
greater than 80
8 percent
0.8+17 percent of amount exceeding 10
5.9+26 percent of amount exceeding 40
16.3+35 percent of amount exceeding 80
Non-global Capital gains Real estate held for 2year or more maximum 10
10 - 40
40 - 80
greater than 80
9 percent
0.95+18 percent of amount exceeding 10
6.3+27 percent of amount exceeding 40
17.1+36 percent of amount exceeding 80
Special stocks and others
Real estate held for less than 1 year 50 percent  
Real estate held for more than 1 year and less than 2 year 40 percent  
Assets transferred without registration 70 percent  
Stocks of large corporations held for less than 1 year by majority shareholder(except special stocks being applied global tax rate) 30 percent  
SME stocks 10 percent  
Other stocks (i.e. stocks other than the above two) 20 percent  
Retirement 1.The tax base, after being divided by the amount of years worked, is subject to global income tax rates.

2. The tax base is then multiplied again by the amount of years worked.
Timber Same as global income tax rates.

Note: See section (3) below for capital gains tax on stocks.

 Interest Income Tax
Interest income tax is subject to two taxations: gross income tax and separate withholding tax.
In general, under the current tax law, a 14 percent withholding tax is applicable to interest income.

 Dividend Income Tax
Dividend income tax is in two types: gross income tax and separate withholding tax.
A 14 percent withholding tax is applied to dividends paid by the following sources:
¡¤ Dividends and distributions of profits and retained earnings, and distribution of interest
  received from a domestic or foreign corporation
¡¤ Distributions of profits received from a non-corporate entity such as a private association
¡¤ Distributions of profits arising from securities investment trusts
 
To avoid double taxation at both corporate and individual income levels, a tax credit for dividend income is applied. When dividend income of a resident received from a domestic corporation is included in global income, the amount calculated as below is deducted from the global income tax amount.
¡¤ 19 percent of dividend income is added to the amount of the dividend actually received by
  the shareholder
¡¤ Above figure is used to calculate the individual income tax amount of the shareholder
¡¤ Then, the 19 percent of the dividend income, which was added in the first line, is credited againest the individual income tax amount calculared in the second line above.
 
When the amount of interest and dividend income included in the global income tax of a resident exceeds the amount indicated in the guideline regarding global taxation (40 million won per year), the amount of tax on global income will be the larger of the two shown below.
The sum of the following:
¡¤ Amount of global income tax calculated on the sum of the amount by which interest and
 dividend income exceeds 40 million won, and the amount of global income other than interest
  or dividend income;
¡¤ Amount of tax calculated by applying a withholding tax rate of 14 percent to 40 million won.
 
The sum of the following:
¡¤ 14 percent of the total interest and dividend income;
¡¤ Amount of tax computed on global income other than interest or dividend income.

 Capital Gains Tax
No capital gains tax on listed stocks is levied for minority shareholders holding less than 3 percent of total shares or market value of less than 10 billion won. However this tax is levied when stocks are traded on the Free Board.
As for majority (controlling) shareholders, if stocks of large corporations are held for less than one year, a 30 percent capital gains tax rate is levied; otherwise, 20 percent is applied.
¡¤ Majority shareholders are defined as follows: those holding more than 3 percent of issued stocks as
 of the fiscal year's end just prior to the transaction date; or shareholders holding more than
 10 billion won of market capitalization, including specially related person's stock holdings.
 
As for small to medium size enterprises (SMEs), 10 percent is applied.

Type Shareholder
Status
Application of Capital Gains Tax Tax Rate
Listed Majority Shareholders of large-sized enterprises
(Stocks held less than one year)
30 percent
Shareholders of SMEs 10 percent
Other cases 20 percent
Minority No application of capital gains tax  
Unlisted Majority Same as listed stocks  
Minority Shareholders of SMEs 10 percent
Other cases 20 percent

Note: Minority shareholders are those who hold less than 3 percent or 10 billion won of market capitalization.

 Corporate Income Tax
A corporation with its head office in Korea is subject to corporate tax on its total income for each fiscal year.
The tax rate varies depending on a corporation's taxable income

Tax Base Tax Rate
0 - 100 13 percent
over 100 13 percent for up to 100 + 25 percent of amount exceeding 100