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How to Get a D-4 Language Study Visa for Korea
The visa (일반연수 — general trainee) is the standard visa for foreigners who want to study the Korean language at a Korean university language institute or vocational training centre. It is the most common path for people who want to live in Korea while improving their Korean — from complete beginners to those preparing for university admission or work. This guide covers everything you need to know, including the 2025 tightening rules that make attendance and academic progress more critical than ever.
검토 및 출처 기준
검토 기준
James Chae, 행정사 (Korean Licensed Administrative Attorney). License No. 220-06-06463 · 대한행정사회 (Korean Administrative Agents Association). Reviewed against the HiKorea 사증·체류업무 자격별 안내 매뉴얼 and cross-checked with Ministry of Justice issuances.
최종 검토일
2026년 4월 22일
출처 기준
HiKorea — Korean visa & residency manual
Issuance-manual sections covering D-4 language and training visa issuance requirements.
Ministry of Justice Immigration Policy Bureau
Stay-manual sections covering D-4 registration, extension, attendance/compliance, and in-country filing rules.
신청 전 주의사항
Requirements can change by nationality, local immigration office, and filing channel. Confirm exact requirements with HiKorea, the responsible Korean consulate, or a licensed immigration specialist before filing.
D-4 vs D-2 — which do you need?
(일반연수 — general trainee) is for language institutes, vocational training programmes, and non-degree study. (유학 — student) is for degree programmes at accredited Korean universities. If you are enrolled in a university's language institute (어학당) for Korean language study, that is D-4 — even if the institute is run by a university. If you are enrolled in an undergraduate, graduate, or associate degree programme at a Korean university, that is D-2.
The 2025 D-4-6 tightening
As of October 2025, the D-4-6 sub-type (general language study at non-university institutes) has significantly stricter rules. Applicants must demonstrate higher financial means, and some nationalities face additional scrutiny following concerns about misuse of the channel for irregular migration. If you are applying from a high-overstay-risk country (as designated by Korean immigration), expect additional document requirements and lower approval rates. Applying through a university language institute (D-4-1) remains easier than through a private language school.
Attendance and academic requirements
The visa is closely tied to your actual attendance at the school. Immigration receives attendance reports from registered language institutes. If your attendance falls below 80% in a term, your school is required to report this, and immigration may issue a warning or decline to extend your stay. Serial low-attendance students can be barred from renewing. Take the attendance requirement seriously.
Working on D-4
holders may engage in part-time work (아르바이트) of up to 20 hours per week, but only after completing the first 6 months of study and obtaining a separate part-time work permit from immigration. Working without this permit — even part-time — is an immigration violation. The 20-hour limit is per week; exceeding it is a violation even with the permit.
단계별 과정
01
Choose your language institute and get an acceptance letter
Apply to a Korean university language institute (어학당) or a Ministry of Justice-registered language school. University language institutes (Seoul National University, Yonsei, Korea University, EWHA, KAIST, etc.) are the most straightforward for . After acceptance, you will receive an admission letter (입학허가서) — the core document for your visa application.
02
Prepare your documents
Required for most applications: valid passport (6+ months validity), visa application form, passport photo, admission letter from the language institute, financial proof (bank statement showing at least USD $3,000–$5,000 equivalent — exact amount varies; check with your consulate), and certificate of highest educational qualification. Some nationalities also need a 사증발급인정서 from the school (especially for D-4-6).
03
Apply at the Korean consulate
Submit your application at the Korean embassy or consulate in your home country. Processing typically takes 5–10 business days. Some nationalities need a 사증발급인정서 first — check with your school before applying, as they will have handled this before.
04
Arrive and register
Arrive before your programme starts. Register as a foreign resident at the immigration office within 90 days and obtain your ARC. Your school's international office usually provides guidance — attend their orientation.
행정사의 팁
Apply to a university language institute rather than a private language school — the approval process is simpler and the educational quality is generally higher.
Show strong ties to your home country (employment, family, property) in your financial documents — this reduces the risk of being perceived as using to migrate irregularly.
Do not miss classes. 80% attendance is the minimum — aim higher. Unexplained absences can trigger an immigration report from your school.
Plan your Korean study programme realistically: language institutes typically run 10-week terms, 4 terms per year. Most students need 2–3 years to reach TOPIK Level 4–5.
If you plan to apply for university () after language study, ask your school about the admission pathway — some university language institutes have a direct track.
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자주 묻는 질문
Can I switch from D-4 to D-2 after finishing language study?
Yes. If you are accepted into a Korean university degree programme after your language study, you can change from to at the immigration office. You will need your university admission letter, enrollment confirmation, and financial documents.
Can I switch from D-4 to E-2 if I get a teaching job?
Yes, but only after you meet all requirements (relevant degree, criminal check, health check, TEFL if required by your school). The to E-2 change is done at the immigration office. You cannot start teaching on D-4 — file the status change first.
I want to study Korean privately (self-study) in Korea. Do I still need D-4?
If you will be in Korea for more than 90 days, you need a visa appropriate for your stay. Self-study without formal school enrollment does not qualify you for — D-4 requires enrollment in a registered institution. For a short study trip under 90 days, (short-term visit) works. For longer self-study stays without a school, (digital nomad) or another appropriate visa may apply.
