South Korea

As a dollar earner spending in South Korea, you benefit from the dollar's reserve status — but local inflation still erodes what you buy. The calculator shows both sides.

CPI: World Bank (FP.CPI.TOTL.ZG). US M2: Federal Reserve FRED (M2SL). Reserve premium = cumulative M2 growth − cumulative US CPI.

South Korea sits in an interesting middle ground for expats. The won isn't collapsing — this isn't a currency crisis story — but it has quietly weakened about 20% against the dollar since 2021, and that shift has real consequences depending on which direction your money flows. If your school or company pays you in KRW and you're comparing your life to what you'd earn back home, that exchange rate erosion matters.

For English teachers on EPIK or hagwon contracts, salaries haven't kept pace. A 2.5 million won monthly salary felt like roughly $2,270 in early 2021. Today that same number lands closer to $1,900. Nothing changed on paper — your contract looks identical — but you lost the equivalent of several hundred dollars a month in real dollar terms. Teachers remitting savings home to the US, Canada, or Australia felt that pinch directly.

Seoul's cost of living adds another layer. Gangnam-gu and Mapo-gu apartments have seen rents climb, and the jeonse system — Korea's unique lump-sum deposit rental structure — has created enormous upfront capital requirements even as property values adjusted after 2022. Groceries, dining, and transportation are genuinely moderate by global city standards, but housing costs can surprise first-time expats who didn't budget carefully.

Tech expats hired by Samsung, Kakao, or international firms in Pangyo or Seoul's tech corridor often negotiate dollar-denominated salaries, which provides a real buffer. But locally-hired roles frequently pay in won, leaving those workers exposed to the same exchange dynamics as teachers. The calculator here gives you a concrete number — what your Korean salary actually represents in today's dollar purchasing power, not the figure your contract printed two years ago.