Korea Student Visa D-2 vs D-4 — Complete Guide for CIS Students

The first question that CIS students (Russia, Uzbekistan, Kazakhstan, Kyrgyzstan) face when deciding to study in Korea is: "Should I get a D-2 or D-4?" This single choice affects tuition costs, length of stay, part-time work eligibility, and even your career path after graduation. This guide is based on real rejection and success cases CIS students have experienced at the Korean embassy.

1. D-2 vs D-4 Comparison at a Glance

ItemD-4 (Language Study)D-2 (Degree Program) Target InstitutionUniversity language institutes, Sejong Institute4-year university, junior college, graduate school Program TypeKorean language education (no degree)Bachelor's, Master's, Doctoral degree programs Initial Stay6 months (extendable by 3 months)1 year (extendable by 2 years) Financial RequirementUSD 9,000 or moreKRW 20,000,000 (approx. USD 15,000) TOPIK RequirementNoneLevel 3+ for undergrad, Level 4+ for grad school (recommended) Part-time WorkAfter 6 months, TOPIK Level 2+, 20 hrs/week20 hrs/week during semester, unlimited during vacation Degree RecognitionNone (certificate only)Korean and internationally recognized degree Post-graduation EmploymentNot possible (must change to D-10)D-10 → E-7 (professional) conversion possible

2. D-2 Visa — For Students Pursuing a Degree

The D-2 visa is for foreigners enrolling in regular degree programs (bachelor's, master's, doctoral) at Korean universities. If you're a Kazakhstani or Uzbekistani student considering studying IT, business, or healthcare in Korea, D-2 is the right choice.

D-2 Required Documents Checklist

• ☐ Passport (must have at least 1 year of validity remaining)
• ☐ Visa application form (embassy format)
• ☐ Passport-sized photo (within the last 6 months)
• ☐ University Standard Admission Letter (original)
• ☐ Final education graduation certificate — apostille or consular authentication required
• ☐ Academic transcript — apostille included
• ☐ Family relationship certificate (including parents' information)
• ☐ Financial documents: Bank balance certificate in your or your parents' name (KRW 20,000,000 or more). Important: The balance must have been maintained in the account for at least 3–6 months to be considered credible
• ☐ TB (tuberculosis) diagnosis certificate (required if from one of the 35 designated countries)
• ☐ Visa fee: Single-entry USD 80, Multiple-entry USD 120 (valid until June 30, 2026; may vary by nationality based on reciprocity)

3. D-4 Visa — For Students Starting with Korean Language

The D-4 visa is for foreigners studying Korean at university language institutes or Sejong Institutes. It's the most realistic first step for CIS students who don't have TOPIK scores yet or aren't fully prepared to enter university.

D-4 Required Documents Checklist

• ☐ Passport (at least 1 year of validity)
• ☐ Visa application form + passport photo
• ☐ Language institute Standard Admission Letter (including proof of tuition payment)
• ☐ Final education graduation certificate (apostille)
• ☐ Family relationship certificate
• ☐ Financial proof: Bank balance of USD 10,000 or more (KRW 20,000,000 recommended for CIS students — significantly improves approval rate; must be maintained for 3–6 months)
• ☐ TB diagnosis certificate (required if from one of the 35 designated countries)
• ☐ Visa fee: Single-entry USD 80 (valid until June 30, 2026)

4. Countries Required to Submit TB Test (2026 — 35 Countries)

The Korean Ministry of Justice requires foreign nationals from high-TB-risk countries applying for long-term visas (90+ days) to submit a TB diagnosis certificate (including chest X-ray) issued by a Korean embassy-designated hospital. Currently 35 countries are designated, and the following 9 CIS countries are all included:

• 🔴 Russia — designated
• 🔴 Uzbekistan — designated
• 🔴 Kazakhstan — designated (added 2023)
• 🔴 Kyrgyzstan — designated
• 🔴 Tajikistan — designated (added 2023)
• 🔴 Belarus — designated (added 2023)
• 🔴 Ukraine — designated (added 2023)
• 🔴 Moldova — designated (added 2023)
• 🔴 Azerbaijan — designated (added 2023)

Essentially, students from virtually all CIS countries must get a TB test. Tests are only valid when conducted at a Korean embassy-designated medical institution in your country. General hospital certificates are not accepted. The certificate is valid for 3 months after issuance, so complete your visa application within that period.

5. D-2 ↔ D-4 Visa Change — When It's Possible and When It's Not

Current VisaDesired ChangePossible?Conditions D-4→ D-2✅ PossibleUniversity admission letter + language school completion/80%+ attendance + financial proof D-2→ D-4⚠️ ConditionalOnly for special cases of withdrawing from degree and resuming language study D-2 (undergraduate)→ D-2 (graduate)✅ PossibleGraduate admission letter + undergraduate graduation certificate D-2→ D-10 (job seeker)✅ PossibleGraduation or expected graduation certificate D-4→ D-10❌ Not possibleMust first change to D-2 and graduate Tourist (B-2)→ D-4/D-2❌ Not possibleMust reapply from home country

Most CIS students follow the D-4 → D-2 path. After building Korean language skills in Korea and getting admitted to a university, they can change their visa at the Immigration Office without leaving the country.

6. From Visa Application to Issuance — Actual Timeline

1. Week 0 — Apply to institution: Search universities/language schools on inBaem → Apply online → Receive acceptance
2. Week 1 — Prepare documents: Get apostille for graduation and transcript certificates (5–10 days in CIS countries)
3. Week 2 — TB test: Visit Korean embassy-designated hospital, receive certificate (same day to 3 days)
4. Week 2 — Financial proof: Get bank balance certificate from bank (KRW 20,000,000 or more)
5. Week 3 — Embassy submission: Submit documents to local Korean embassy/consulate (advance reservation required)
6. Week 3–4 — Review: Average review period 10–14 business days. May extend 2–3 weeks if additional documents are requested
7. Week 4–5 — Receive visa: Visa sticker affixed to passport → Purchase flights → Enter Korea

Total time: average 3–4 weeks from application to visa issuance. Since document preparation takes 1–2 weeks, start the application process at least 6 weeks before your intended entry date to be safe.

7. After Arriving in Korea — Obtaining Your ARC (Alien Registration Card)

If you entered on a D-2 or D-4 visa, you must obtain your Alien Registration Card (ARC) within 90 days of entry. Failure to do so constitutes illegal stay, which can result in fines and forced deportation.

ARC Application Process (7 steps)

1. HiKorea online reservation (hikorea.go.kr) — average 1–2 week wait
2. Visit the local Immigration Office — arrive 20 minutes before your appointment
3. Submit documents:
   • Passport + visa copy
   • Alien registration application form
   • 1 passport-sized photo
   • Certificate of enrollment (issued by school)
   • Proof of address: dormitory certificate or rental contract
   • Fee: KRW 30,000 (revenue stamp)
4. Fingerprint registration + photo — done on-site the same day
5. Temporary registration number issued — received same day (usable in place of the physical card)
6. Physical card issued — picked up by registered mail or in-person visit 2–3 weeks later
7. Registration complete — can now open a bank account, activate a phone, enroll in health insurance, etc.

8. Frequently Asked Questions (CIS Student FAQ)

Q1. If my bank balance from Uzbekistan is under KRW 20 million, will I be rejected?

Rejection is likely. Based on CIS student statistics, approval rates jump significantly at KRW 20,000,000 or more. We recommend submitting your own account balance + a financial guarantee in your parents' name together.

Q2. If the apostille service is suspended in Russia, what can I do?

You can obtain a Korean consular confirmation instead of an apostille. This is available at the Korean embassy in Moscow or St. Petersburg, and takes 5–7 business days.

Q3. Can I change from D-4 to D-2 directly in Korea?

Yes. If you maintain 80%+ attendance for 6 months or more at the language school and receive a university admission letter, you can change to D-2 at the Immigration Office in Korea without leaving the country. Many CIS students use this route.

Q4. If abnormalities are found during the TB test, will my visa be rejected?

If active TB is confirmed, a re-test after completing treatment is required. Inactive TB (traces of past infection) generally does not affect visa issuance. Consult with the designated hospital doctor and submit a "medical opinion letter" together.

Q5. What should I do if the embassy requests additional documents during review?

Common requests are for supplementary financial proof, a study plan, recommendation letters, or family relationship documentation. The standard is to submit within 7 business days; delays become grounds for rejection.

9. D-2 vs D-4 — Final Decision Guide

Use these 3 questions to determine which visa is right for you:

1. "Have I already been accepted to a Korean university?"
   → Yes: Go straight for D-2 / No: Go to question 2
2. "Do I have TOPIK Level 3 or higher?"
   → Yes: D-2 application possible (also consider English-track programs) / No: Go to question 3
3. "Am I ready to intensively study Korean within 1 year with the goal of entering university?"
   → Yes: Start with D-4 → then transfer to D-2 / No: Reconsider your Korea study plan

10. Next Steps — With inBaem

Once you've decided on your visa type, it's time to choose an institution. On inBaem, you can find universities and language schools suited to you using filters specialized for CIS students (Russian-speaking counselors available, dormitory provided, many CIS students enrolled, etc.).

• 🎓 D-2 applicants → Find universities with English-track or TOPIK Level 3 requirements in inBaem's university section
• 📚 D-4 applicants → Find language schools with dormitories + TB test support in inBaem's language school section
• 💼 Planning a visa change → See "How to Extend Your Student Visa" guide on inBaem

From visa support to school search — all in one place on inBaem.