Mundevo
City comparison·South Korea flagSeoulvsJapan flagTokyo

Seoul vs Tokyo: cost, size & quality of life compared

Trying to decide between Seoul and Tokyo? Here's the honest bottom line first — then the full, sourced breakdown on cost of living, salary, safety and quality of life.

The bottom line

Seoul and Tokyo are almost dead even overall.

But the "winner" depends on what you care about. Here's who takes each dimension:

Overall
Seoul flagSeoul
Cheaper
Seoul flagSeoul
Quality of life
Tokyo flagTokyo
Remote work
Seoul flagSeoul

Composite scores

Overall: Seoul wins by 0.1 points

Seoul composite
6.0 / 10
good
Tokyo composite
5.9 / 10
fair

Population & size

Is Seoul bigger than Tokyo?

Tokyo is the bigger city: about 14M people versus Seoul's 9.7M — roughly 1.4× larger.

Seoul population
9.7M
9,700,000
Tokyo population
14M
13,960,000

City-proper / metro population estimates. Size is one input — scroll on for cost of living, salary equivalence and quality-of-life scoring.

Distance

How far is Seoul from Tokyo?

Seoul is about 1,150 km (720 mi) from Tokyo in a straight line — roughly 2 h 05 m of nonstop flight time.

Straight-line
1,150 km
In miles
720 mi
Nonstop flight (est.)
2 h 05 m

Great-circle distance, not a routed itinerary; flight estimate assumes ~850 km/h cruise plus 45 minutes of taxi, climb and descent.

Climate

Is Seoul warmer than Tokyo?

Tokyo is the warmer city: January highs average 10°C vs 2°C, and July 30°C vs 29°C. Seoul gets noticeably more sun — about 190 more sunshine hours per year.

Sunshine hours / year
Seoul
2,070
Tokyo
1,880
Rainfall (mm / year) — drier leads
Seoul
1,450 mm
Tokyo
1,530 mm
MonthSeoulTokyo
January (high / low)2° / -6°C10° / 2°C
July (high / low)29° / 22°C30° / 23°C
Seoul

Continental with monsoonal summers. Cold dry winters, hot humid wet summers, distinct rainy season in July. Yellow-dust events in spring.

Tokyo

Humid subtropical. Hot wet summers, cool dry winters, distinct rainy season in June. Typhoon risk September-October.

Analyst take

Seoul edges Tokyo by just 0.1 points, both landing in the mid-sixes, suggesting comparable urban performance rather than a decisive winner in this metric.

Tokyo's 5.9 score trails Seoul's 6.0 by the narrowest margin, indicating these megacities operate at nearly identical levels on whatever dimension is being measured.

What to do

Dig into the specific categories beneath these aggregate scores to understand where Seoul's marginal advantage comes from—the 0.1 gap likely masks important differences in individual factors.

Data signals

What separates Seoul and Tokyo

  • How decisive

    Seoul comes out ahead by 0.1 composite points — essentially a tie.

  • Biggest difference

    The widest gap is quality of life, where Tokyo leads by 0.4 points.

  • Where they match

    They're most evenly matched on healthcare — within 0.2 points of each other.

  • Overall cost gap

    Total monthly costs in Tokyo run about 11% higher than in Seoul.

  • Where budgets split most

    Transport is the line item that diverges most: roughly 49% pricier in Tokyo than Seoul.

  • Size difference

    Tokyo is the larger metro — about 1.4× the population of the other, which shapes commute times, housing supply and how "big-city" daily life feels.

Score-by-score, side-by-side

Each axis is scored independently with disclosed weights and a calculation string.

Affordability
Seoul
3.1/10
Tokyo
2.9/10
Quality of life
Seoul
7.6/10
Tokyo
8.0/10
Remote-work friendliness
Seoul
7.5/10
Tokyo
7.3/10
Healthcare
Seoul
5.8/10
Tokyo
5.6/10

The exact scores and winners:

AxisSeoulTokyoWinner
Affordability3.12.9Seoul +0.2
Quality of life7.68.0Tokyo +0.4
Remote-work friendliness7.57.3Seoul +0.2
Healthcare5.85.6Seoul +0.2
Score card · Seoul
6.0/ 10 compositegood

Each axis is a weighted aggregate of underlying indicators normalized to a 0–10 scale. Weights are explicit and disclosed per axis. The composite is the unweighted mean of the four axes — axes are not collapsed further because the underlying trade-offs (e.g. low cost vs poor air quality) are user-dependent.

Affordability

3.1poor
  • Cost-of-living index (weight 60%)75
  • Rent index (weight 40%)60
How this is calculated

Affordability = ((100 − costIndex)/100 × 0.6 + (100 − rentIndex)/100 × 0.4) × 10. For Seoul: ((100 − 75)/100 × 0.6 + (100 − 60)/100 × 0.4) × 10 = 3.1.

Seoul is among the more expensive cities tracked. Salary expectations should be calibrated to the high cost base before relocating.

Quality of life

7.6good
  • Safety index (weight 40%)82
  • Healthcare index (weight 35%)83
  • Air quality index (weight 25%)55
How this is calculated

QoL = (safety/100 × 0.4 + healthcare/100 × 0.35 + airQuality/100 × 0.25) × 10. For Seoul: (82/100 × 0.4 + 83/100 × 0.35 + 55/100 × 0.25) × 10 = 7.6.

Seoul scores excellent on safety, excellent on healthcare and good on air. The composite quality-of-life signal is strong.

Remote-work friendliness

7.5good
  • Internet (median Mbps) (weight 45%)280 Mbps
  • Effective income tax (lower = better) (weight 30%)12.0%
  • Cost-of-living (lower = better) (weight 25%)75
How this is calculated

RemoteWork = (min(Mbps/300, 1) × 0.45 + (1 − incomeTax) × 0.3 + (100 − costIndex)/100 × 0.25) × 10. For Seoul: (min(280/300, 1) × 0.45 + (1 − 0.12) × 0.3 + (100 − 75)/100 × 0.25) × 10 = 7.5.

Seoul combines fast internet (280 Mbps median), a 12% effective income tax and cost index 75 — a strong configuration for remote workers earning in a stronger currency.

Healthcare

5.8fair
  • Healthcare quality index (weight 70%)83
  • Healthcare out-of-pocket / month (lower = better) (weight 30%)35000
How this is calculated

Healthcare = (qualityIndex/100 × 0.7 + max(0, 1 − OOP/500) × 0.3) × 10. For Seoul: (83/100 × 0.7 + max(0, 1 − 35000/500) × 0.3) × 10 = 5.8.

Seoul has trade-offs in healthcare: quality is excellent, typical out-of-pocket cost is ~35000 KRW/month. Cross-border insurance closes the gap.

Score card · Tokyo
5.9/ 10 compositefair

Each axis is a weighted aggregate of underlying indicators normalized to a 0–10 scale. Weights are explicit and disclosed per axis. The composite is the unweighted mean of the four axes — axes are not collapsed further because the underlying trade-offs (e.g. low cost vs poor air quality) are user-dependent.

Affordability

2.9poor
  • Cost-of-living index (weight 60%)82
  • Rent index (weight 40%)55
How this is calculated

Affordability = ((100 − costIndex)/100 × 0.6 + (100 − rentIndex)/100 × 0.4) × 10. For Tokyo: ((100 − 82)/100 × 0.6 + (100 − 55)/100 × 0.4) × 10 = 2.9.

Tokyo is among the more expensive cities tracked. Salary expectations should be calibrated to the high cost base before relocating.

Quality of life

8.0excellent
  • Safety index (weight 40%)85
  • Healthcare index (weight 35%)80
  • Air quality index (weight 25%)70
How this is calculated

QoL = (safety/100 × 0.4 + healthcare/100 × 0.35 + airQuality/100 × 0.25) × 10. For Tokyo: (85/100 × 0.4 + 80/100 × 0.35 + 70/100 × 0.25) × 10 = 8.

Tokyo scores excellent on safety, excellent on healthcare and good on air. The composite quality-of-life signal is strong.

Remote-work friendliness

7.3good
  • Internet (median Mbps) (weight 45%)280 Mbps
  • Effective income tax (lower = better) (weight 30%)12.0%
  • Cost-of-living (lower = better) (weight 25%)82
How this is calculated

RemoteWork = (min(Mbps/300, 1) × 0.45 + (1 − incomeTax) × 0.3 + (100 − costIndex)/100 × 0.25) × 10. For Tokyo: (min(280/300, 1) × 0.45 + (1 − 0.12) × 0.3 + (100 − 82)/100 × 0.25) × 10 = 7.3.

Tokyo combines fast internet (280 Mbps median), a 12% effective income tax and cost index 82 — a strong configuration for remote workers earning in a stronger currency.

Healthcare

5.6fair
  • Healthcare quality index (weight 70%)80
  • Healthcare out-of-pocket / month (lower = better) (weight 30%)4000
How this is calculated

Healthcare = (qualityIndex/100 × 0.7 + max(0, 1 − OOP/500) × 0.3) × 10. For Tokyo: (80/100 × 0.7 + max(0, 1 − 4000/500) × 0.3) × 10 = 5.6.

Tokyo has trade-offs in healthcare: quality is excellent, typical out-of-pocket cost is ~4000 JPY/month. Cross-border insurance closes the gap.

Monthly cost delta: Seoul vs Tokyo

Normalized to KRW at 1 JPY = 8.8095 KRW.

CategorySeoulTokyoChange
housing₩1,100,000¥150,000+20%
food₩450,000¥48,000-6%
transport₩65,000¥11,000+49%
utilities₩140,000¥14,000-12%
leisure₩250,000¥30,000+6%
healthcare₩35,000¥4,000+1%

Where each city's money goes

Two cities can have the same monthly total but very different shapes — one might burn 50% on housing while the other splits more evenly. The composition matters as much as the headline.

Seoul54% housing
Tokyo58% housing
housing
food
transport
utilities
leisure
healthcare

The biggest shape difference is housing: Tokyo spends 4.4 percentage points more of its budget on it (58% vs. 54%). If you're sensitive to that category, weight the per-axis scores accordingly.

Buying property

Apartment prices: Seoul vs Tokyo

Approximate asking prices in EUR per square meter (as of 2025-01), central vs mid-distance neighborhoods.

City center — cheaper leads
Seoul
€11,500/m²
Tokyo
€11,000/m²
Outside center (5-15 km) — cheaper leads
Seoul
€8,000/m²
Tokyo
€7,500/m²

Midpoints of public listing ranges — a scoping number for rent-vs-buy thinking, not a valuation. Renting comparisons live in the cost table above.

Getting around

Public transport: Seoul vs Tokyo

Monthly pass and casual-ride pricing in EUR (as of 2025-01) plus the modes each network runs.

Monthly pass — cheaper leads
Seoul
€45
Tokyo
€60
Seoul

T-money IC card; the metro is one of the world's longest networks, late-night service runs until midnight on most lines.

Single ride: €1 · Modes: Metro, Tram, Bus, Commuter rail

Tokyo

No single citywide pass — most commuters use Suica IC card pay-as-you-go. Headline figure is a typical 6-month-equivalent monthly cost.

Day pass: €5 · Modes: Metro, Tram, Bus, Commuter rail

Salary equivalence: Seoul ↔ Tokyo

What earning the same purchasing power costs in each city. Cost-adjusted using the local cost-of-living index (Seoul = 75, Tokyo = 82); currency-converted at 1 JPY = 8.8095 KRW. Tax differences are not modeled.

Earning in Seoul, moving to Tokyo
KRW → equivalent JPY
Seoul grossTokyo equivalent
₩40,000¥4,964
₩75,000¥9,308
₩120,000¥14,893
Earning in Tokyo, moving to Seoul
JPY → equivalent KRW
Tokyo grossSeoul equivalent
¥40,000₩322,300
¥75,000₩604,312
¥120,000₩966,899

Equivalence here means same cost-of-living purchasing power, not same net take-home. Effective tax rates differ between countries; a salary equivalent on cost can still net more or less depending on the destination's tax regime. Use the calculator for tax-adjusted figures at a specific lifestyle tier.

Pros and cons

Why pick Seoul

Seoul doesn't have any standout advantages of ≥0.3 points on the scoring model.

Why pick Tokyo

  • Wins on quality of life (+0.4 points vs Seoul).

Seoul trade-offs

No material trade-offs versus Tokyo on the scored axes.

Tokyo trade-offs

No material trade-offs versus Seoul on the scored axes.

Remote work logistics

Time zones and language: Seoul vs Tokyo

Seoul (Asia/Seoul) and Tokyo (Asia/Tokyo) share the same standard-time offset — meetings, markets and deadlines line up 1:1.

Seoul

Official: Korean · English: Moderate · Local language: Useful

Korean is the daily-life default. English usable in expat-heavy neighborhoods (Itaewon, Hannam) and international firms; outside that, limited. Hangul is easy to learn even if speaking is slow.

Tokyo

Official: Japanese · English: Limited · Local language: Recommended

Japanese strongly recommended for daily life beyond corporate Tokyo. English is limited in shops, hospitals, and bureaucracy — translation apps help but a friction tax remains for non-speakers.

Who should choose which

The composite winner doesn't always match what matters to you. These four reader profiles weigh the axes differently — find the closest fit.

Young remote pro

Single, salaried remote worker, 25-40, optimizing for runway + bandwidth.

Best fit
Seoul by 0.2 points
Seoul5.3/10
Tokyo5.1/10

Axes scored: affordability, remoteWork

Family with kids

Couple with school-age children, prioritizing safety, healthcare, and air quality.

Best fit
Roughly tied (gap 0.1)
Seoul6.7/10
Tokyo6.8/10

Axes scored: qualityOfLife, healthcare

Retiree

Fixed income, healthcare-sensitive, prefers low cost and stable infrastructure.

Best fit
Roughly tied (gap 0.0)
Seoul5.5/10
Tokyo5.5/10

Axes scored: healthcare, qualityOfLife, affordability

Cost-conscious mover

Salary stretch matters most. Cuts everything else if it lowers the burn rate.

Best fit
Seoul by 0.2 points
Seoul3.1/10
Tokyo2.9/10

Axes scored: affordability

Profiles use simple axis averaging — for a deeper read with your own weights, use the per-axis breakdown above.

Zoom out from cities to countries: compare South Korea vs Japan on average wage, take-home after tax and cost of living.

Methodology

How this page is calculated

Data sources

  • Mundevo per-city dataset. Cost basket, rent index, safety, healthcare, air quality and median internet for both cities. Reference date: 2026-05-28 (Seoul) and 2026-05-27 (Tokyo).
  • FX rate. 1 JPY = 8.8095 KRW, used to normalize cost baskets.
  • CityScoreCalculator. Four axes (Affordability, Quality of life, Remote work, Healthcare) computed with explicit weights and explanations. See per-axis calculation strings rendered on this page.
  • ComparisonService. Per-category cost deltas (housing, food, transport, utilities, leisure, healthcare) normalized to the origin currency.

Update cadence

Data as of . Last reviewed .

Calculation

For each of the four axes we compute an independent 0–10 score using the formulas printed beside each axis. The composite is the unweighted mean of the four axes. The overall winner is the city with the higher composite, unless the margin is under 0.05 points — in which case Seoul is shown first as a tiebreaker to keep results stable.

Limitations

  • Climate is not scored — we don't yet hold a maintained climate dataset, so weather-driven preferences are not modeled.
  • Tax differences between cities in the same country are not modeled (Spain and Germany don't have material regional differences for this dataset).
  • Indices are population-level. Personal cost varies with neighborhood, employer benefits and family status.
  • Quality-of-life axis weights (safety 0.4 / healthcare 0.35 / air 0.25) are editorial defaults — readers with strong preferences should re-weight manually.

Frequently asked questions

Seoul vs Tokyo: which is cheaper?

Seoul is roughly 11% cheaper than Tokyo on the monthly cost basket (housing, food, transport, utilities, healthcare). Seoul has cost index 75 vs Tokyo at 82 (both with New York = 100).

Which city has better quality of life?

Seoul scores 6.0/10 on the Mundevo composite versus Tokyo at 5.9/10. The composite weights safety (40%), healthcare (35%) and air quality (25%). Seoul wins overall by 0.1 points.

Is Seoul or Tokyo better for remote work?

Seoul has 280 Mbps median internet vs Tokyo at 280 Mbps. The four-axis decision rubric on this page (affordability, quality of life, remote work, healthcare) gives a per-dimension breakdown rather than a single answer.

Is Seoul bigger than Tokyo?

Tokyo is larger — about 14.0M people versus Seoul's 9.7M, roughly 1.4× the size.

Is Seoul safer than Tokyo?

Seoul and Tokyo score similarly on safety (82 vs 85 / 100 on the Mundevo safety index).

Should I move to Seoul or Tokyo?

It depends on what you weight. Seoul wins the overall Mundevo composite by 0.1 points, but Seoul is cheaper, and the two split differently across affordability, quality of life, remote work and healthcare. Use the per-axis table and the reader-profile section above to match the verdict to your own priorities.