Kindly review attached Guidance on Processing Period of Examination of Naturalization (Nationality) for reference 국적업무처리기간
1. Naturalization by Marriage Migrant (Article 6 (2) of Nationality Act):
Where a foreigner whose spouse is a national of the Republic of Korea falls under any of the following subparagraphs, he/she may obtain permission for naturalization, even without meeting the requirements under subparagraphs 1 and 1-2 of Article 5:
1. A person who has had a domicile in the Republic of Korea for at least two consecutive years while being married to the said spouse;
2. A person for whom three years have lapsed, since he/she got married to the said spouse, having a domicile in the Republic of Korea for at least one year while being married to the said spouse;
3. A person who failed to fulfill the requirements for a period under subparagraph 1 or 2 for the reason that he/she was unable to sustain marriage due to death or disappearance of his/her spouse or other causes unattributable to him/her while having a domicile in the Republic of Korea and being married to the said spouse, but has fulfilled the requirements for the remaining period under subparagraph 1 or 2 and thus is considered a case reasonable by the Minister of Justice;
4. A person who failed to satisfy the requirements under subparagraph 1 or 2, but who is, or shall be, taking care of a minor born within the marriage relationship with the said spouse, and has met the domicile period requirements under subparagraph 1 or 2 and thus be considered a case reasonable by the Minister of Justice.
2. Special Naturalization (Article 7(1)1)) of Nationality Act:
(1) Any of the following foreigners who has a domicile in the Republic of Korea may obtain permission for naturalization, even without meeting the requirements under subparagraph 1, 1-2, 2, or 4 of Article 5:
1) A person whose father or mother is a national of the Republic of Korea: Provided, That a person adopted as an adult under the Civil Act of the Republic of Korea shall be excluded;
3. Simplified Naturalization (Article 6 (1)1)~3) of Nationality Act):
(1) Any of the following foreigners who has had a domicile in the Republic of Korea for at least three consecutive years may obtain permission for naturalization, even without meeting the requirements under subparagraphs 1 and 1-2 of Article 5:
1) A person whose father or mother was a national of the Republic of Korea;
2) A person who was born in the Republic of Korea and whose father or mother was born in the Republic of Korea;
3) A person adopted by a national of the Republic of Korea who was an adult under the Civil Act of the Republic of Korea at the time of adoption.
4. General Naturalization (Article 5 of Nationality Act):
A foreigner shall meet the following requirements in order to obtain permission for naturalization, except in cases falling under Article 6 or 7:
1. He/she shall have had a domicile in the Republic of Korea for at least five consecutive years;
1-2. He/she shall have qualification for permanent residence in the Republic of Korea;
2. He/she shall be an adult under the Civil Act of the Republic of Korea;
3. He/she shall meet the requirements regarding good conduct prescribed by Ordinance of the Ministry of Justice, such as complying with statutes;
4. He/she shall be able to support himself/herself, relying on his/her own assets, ability, or family he/she lives with;
5. He/she shall have basic knowledge as a national of the Republic of Korea, such as Korean language proficiency and understanding of Korean custom;
6. The Minister of Justice shall acknowledge that granting permission for naturalization to him/her does not compromise national security, maintenance of order, or public welfare.