D-2-4 (Doctoral Program) Korea Visa Guide | 2026

1. What D-2-4 Is

D-2-4 is the doctoral-program subtype of 유학(D-2), for foreign students enrolled in a formal doctoral course of study at a recognized Korean university/graduate school. It sits at the top of the degree-level ladder (전문학사→학사→석사→박사) within the D-2 subtype table.

2. Eligibility Checklist

• Has valid doctoral program admission from an eligible Korean institution.
• Academic background and identity records satisfy current D-2-4 standards.
• Can prove financial support for tuition and living expenses.
• Study plan and supporting evidence are consistent with doctoral program intent.
• Maintains lawful status and reporting compliance for extension/change handling.

3. Criteria Summary

• D-2-4 is not a points-based status.
• Review focuses on doctoral program authenticity, admission credibility, and funding sufficiency.
• Student-document verification standards can be updated via manual revisions.
• Always confirm latest student evidence requirements before filing.

4. Salary and Contract Rules

• D-2-4 is a study status and does not use E-series salary-threshold rules.
• Any part-time activity is separately regulated and requires proper authorization where applicable.
• Primary evaluation centers on legitimate doctoral study purpose and funding capability.
• If filing appears to pursue non-study work objectives, refusal or compliance risk increases.

5. Employer and Workplace Change Rules

• D-2-4 is not employer-sponsored as core eligibility basis.
• Program changes, leave, or institutional transfer should be reported according to immigration rules.
• Authorized outside activities must remain within permitted scope.
• Unreported student-status changes can affect extension and later status-change outcomes.

6. Required Documents

• Application set (form, passport, photo, fee proof).
• Doctoral admission/enrollment documentation from eligible institution.
• Academic/identity background documents required by current guidance.
• Financial support evidence for tuition and stay period.
• Any additional office-specific supporting documents requested during review.

7. Fees and Processing

• D-2 issuance/extension fees follow official schedules in manuals.
• Processing times vary by mission/office workload and file quality.
• Academic or funding inconsistencies often trigger supplement requests.
• Apply early before semester milestones and stay-expiry windows.

8. Common Rejection Reasons

• Doctoral admission or academic records are incomplete/inconsistent.
• Financial support documents are insufficient or unverifiable.
• Declared purpose does not credibly match doctoral study intent.
• Past immigration non-compliance or unreported status changes.
• Application relies on outdated student-document assumptions after revisions.

9. FAQ