The Land of Morning Calm — Innovation Meets Tradition
Technically, working in Korea (even remotely for foreign clients) without proper authorization is not legal. Korea has introduced the F-1-D Workation Visa specifically for remote workers employed by overseas companies. For stays beyond 90 days, this is the recommended legal path. Alternatively, the D-10 job-seeking visa allows some flexibility for qualified professionals.
You must apply for an ARC within 90 days of arrival if your stay exceeds 90 days. Visit your local immigration office (출입국관리사무소) with your passport, visa, passport photos, application form, and fee (~₩30,000). You can book an appointment via Hi Korea (hikorea.go.kr). Processing takes 2-3 weeks. The ARC is essential for banking, phone contracts, and healthcare enrollment.
Generally no. South Korea has very restrictive dual citizenship laws. Naturalized citizens must renounce their previous citizenship within 1 year. Limited exceptions exist for: ethnic Koreans returning from abroad (F-4 holders over age 65), individuals with exceptional merit, and children born to Korean parents abroad (must choose by age 22). Consult an immigration lawyer for your specific situation.
Only in limited cases. If you have been a Korean resident for 5 years or less within the last 10 years, foreign-source income is taxable in Korea only if it is paid by a Korean payer or actually remitted into Korea. Salary paid abroad by a foreign employer and left overseas generally stays outside the Korean tax net during your first five years. After 5 years of residence you are taxed on full worldwide income.
It depends on your salary. The 19% flat rate (20.9% with local surtax) removes all deductions and credits, so it typically wins only above roughly ₩130–150 million per year. Below that, the progressive system with the earned-income deduction and personal credits usually costs less. You can re-elect each year at the February year-end settlement or May return, so compare both annually. You must have started work in Korea by 31 December 2026 to qualify.
Usually not. For most single-employer salaried workers, the employer's February year-end settlement (연말정산) fully reconciles your tax, and you file nothing in May. You must file the May global income return if you had two employers, foreign-employer (Class B) salary, or business, rental, or other reportable global income.
Often, yes. A lump-sum refund is available if your home country grants Korean nationals a reciprocal benefit or has a lump-sum agreement with Korea, and automatically for E-8, E-9 and H-2 visa holders. If your country has a totalization agreement (e.g. the US), you may instead combine coverage periods toward a pension in either country. Check the NPS social-security-agreement list for your nationality.
The local income tax (지방소득세) is a surtax equal to 10% of your national income tax, paid to your municipality. It is not a separate bracket — it simply adds 10% on top of whatever national tax you owe, which is why the true combined rates are 6.6% to 49.5% rather than 6% to 45%. It is filed and settled together with your national return.
Yes, but you will pay the full cost out of pocket (no insurance discount). Korean healthcare is still affordable by global standards -- a GP visit costs approximately 30,000-50,000 KRW without insurance. Hospitals will not refuse treatment. For emergencies, call 119 (ambulance) -- treatment is provided regardless of insurance status.
Yes. Major hospitals have International Clinics with English-speaking doctors and staff: Samsung Medical Center, Severance Hospital (Yonsei), Seoul National University Hospital, and Asan Medical Center all have dedicated international patient departments. The 1339 Health Helpline provides 24/7 guidance in English, Chinese, Japanese, and Vietnamese.
For a phone, yes — a prepaid SIM (SKT or KT prepaid lines commonly accept a passport) gets you a working number for app verification and banking right away. Home internet is harder: most ISPs require the ARC plus your rental contract before signing, so budget a short gap. From September 2026, KT is introducing direct postpaid activation for holders of a physical ARC, removing the prepaid interim step.
Yes, and it's the top newcomer frustration. Korea's payment network is domestic-first: foreign Visa/Mastercard work at big stores but are often declined at small shops, kiosks, and transit machines, and about 80% of ATMs refuse foreign cards. The fixes are a Korean check card (once you have an ARC + bank account), WOWPASS as a bridge, Samsung Pay with your foreign card, and always carrying ~₩50,000 cash in small notes.
For their QR/transfer features, effectively yes — all three link to a Korean bank account, so they unlock once you're a registered resident. Before that, Samsung Pay works with a foreign card and WOWPASS covers most in-person payments. Once your ARC and bank account are set up, these super-apps become the center of daily payments, bill-paying, and money transfers.
Most residents set up autopay (자동이체) from a Korean bank account, or pay via the 공과금 menu in a bank/super-app (KakaoBank, Toss). Electricity comes from KEPCO (with a small discount for e-billing + autopay), gas from your regional City Gas company, and water from the municipal waterworks — though in many apartments some or all of these are bundled into the monthly management fee (관리비), so check your lease for what's included.
Korean law restricts detailed map-data exports for security reasons, so Google Maps lacks full transit and turn-by-turn navigation in Korea. Use Naver Map (the most popular choice among foreign visitors) or KakaoMap — both offer English interfaces and excellent real-time bus/subway routing. Add Papago for accurate Korean translation of menus, signs, and messages.