Cost of Living Comparison · NYC=100 baseline

Cost of Living: South Korea vs Japan

South Korea is 26% more expensive than Japan overall. Detailed side-by-side rent, groceries, utilities and monthly budget for 2026.

South Korea
41.3
COL+Rent · Affordable
Rent index: 16.1
CHEAPER
Japan
32.8
COL+Rent · Affordable
Rent index: 14.7

The verdict: Japan wins on affordability

Japan is roughly 26% cheaper than South Korea on the combined COL+Rent index. On a moderate urban lifestyle, this translates to a difference of $195 per month, or about $2,340 per year.

Monthly Budget Comparison

Single-person urban lifestyle at three budget levels. All figures in USD.

Budget levelSouth KoreaJapanDifference
Minimal
Suburb rent, no dining out
$1,175$970Japan 21% less
Sample
City rent, ~15 restaurant meals/mo
$1,515$1,320Japan 15% less
Comfortable
City rent, dining out 25x/mo
$1,750$1,492Japan 17% less

Budgets include rent, groceries, utilities, transit pass, and a typical number of restaurant meals per tier.

Line-Item Cost Comparison

Every major monthly expense, side by side.

CategorySouth KoreaJapan
Rent 1-bed, city centre
$685$650
Rent 1-bed, outside centre
$495$420
Groceries (monthly)
$480$290
Mid-range restaurant meal
$10$8
Transit pass (monthly)
$50$65
Basic utilities (85m²)
$150$195

Index Breakdown (NYC = 100)

Individual sub-indices for each category. Lower = cheaper than New York City.

South Korea
Cost (excl. rent)61.6
Rent16.1
Groceries77.5
Restaurants35.8
COL + Rent41.3
Local purchasing power (higher = better)111.5
Japan
Cheaper overall
Cost (excl. rent)49.7
Rent14.7
Groceries50.3
Restaurants36.2
COL + Rent32.8
Local purchasing power (higher = better)70.4

Salary Equivalents

Purchasing-power-adjusted: if you earn X net in the US, how much do you need in South Korea and Japan to maintain the same lifestyle?

US net salaryNeeded in South KoreaNeeded in Japan
$50,000/yr$36,679$29,130
$75,000/yr$55,018$43,694
$100,000/yr$73,357$58,259

NET (after-tax) purchasing-power equivalents. Gross salary targets depend on each country's tax regime — see the salary comparison page for full tax breakdowns.

Frequently Asked Questions: South Korea vs Japan

Is South Korea cheaper than Japan?

South Korea is 26% more expensive than Japan. The combined Cost of Living + Rent index (NYC = 100) is 41.3 for South Korea vs 32.8 for Japan. In practical terms, a $1,320/month lifestyle in Japan can be matched for roughly $1,662/month in South Korea.

What is the monthly budget difference between South Korea and Japan?

A moderate single-person urban budget costs around $1,515 in South Korea versus $1,320 in Japan — a difference of $195/month (15%). The gap grows for comfortable lifestyles: $1,750 vs $1,492.

How does rent compare in South Korea vs Japan?

A 1-bedroom apartment in a city centre costs $685/month in South Korea and $650/month in Japan. Outside the city centre, rent drops to $495 in South Korea and $420 in Japan. Rent typically represents 30–50% of a single person's monthly budget in both countries.

How much salary do I need to move from South Korea to Japan?

If you currently earn $75,000 net in South Korea, you'd need roughly $59,564 net in Japan to maintain the same lifestyle. If moving the other way (from Japan to South Korea on a $75,000 net salary), you'd need $94,436 net in South Korea. These are purchasing-power-adjusted amounts — your gross salary target will differ by tax regime.

Which country has higher groceries prices?

Monthly grocery basket for a single person: $480 in South Korea vs $290 in Japan. A mid-range restaurant meal costs $10 in South Korea vs $8 in Japan. Grocery prices tend to track closely with overall cost of living.

Source & caveats: Numbeo 2026 country rankings (cost indices) and OECD 2025 PPP rates. Last reviewed April 2026. All indices use New York City = 100 as baseline. Actual prices in South Korea and Japan vary materially by city — capital/largest city costs can differ 30–60% from smaller towns. Treat these figures as directional comparisons; verify with current local listings before making relocation decisions.