Benchmark relocation brief
Tokyo to London
On a benchmark software-engineer offer, moving from Tokyo to London adds $30.4K in net worth over 10 years after real taxes and cost of living, breaking even in year 1. The move stays ahead down to about $95.1K in London — the benchmark offer has $16.9K of headroom.
Route
Current city
Tokyo, Japan
Destination
London, United Kingdom
Page URL: /compare/tokyo-to-london
Benchmark verdict
The route clears the benchmark.
+$30.4K over 10 years
Salary benchmark
$80k to $112k
+40% vs current city
Cost index
132 to 158
+20% vs current city
Break-even
Year 1
Within 10-year benchmark horizon
Salary gap
Cleared
Benchmark offer clears break-even salary
Net worth benchmark
Tokyo
$8K
London
$39K
Assumptions, sources, currency
Estimates, not financial advice
Your inputs
Salary, monthly spend, net worth, raises, savings rate, return, and horizon.
Currency model
All money values you enter are treated as USD. Tax lookups convert to each tax table's anchor currency using an ECB reference-rate snapshot (as of 2026-07-02).
Salary basis
Salaries are annual gross pay; take-home is estimated per city (see Tax model).
Salary benchmarks
Tokyo: MoveWorth curated benchmarks (USD equivalent) (estimated). London: MoveWorth curated benchmarks (USD equivalent) (estimated). Snapshot refreshed 2026-07-03.
Cost-of-living index
Tokyo: MoveWorth curated index (city-core costs, US avg = 100). London: MoveWorth curated index (city-core costs, US avg = 100). 100 = US average.
Rent baseline
US rent baselines in the Money section prefer the actual measured median (Census ACS 5-Year, table B25031, https://api.census.gov/data/2024/acs/acs5/groups/B25031.html) by bedroom for the city's metro area, falling back to official HUD Fair Market Rents (FY2026, Oct. 1, 2025 to Sept. 30, 2026, https://www.huduser.gov/portal/datasets/fmr.html) where ACS has no data for that city or bedroom size. Non-US rent remains unconnected in v1.
Tax model
Estimated income tax + employee social contributions. US cities use 2025 federal brackets + state + FICA; UK cities use real PolicyEngine income tax + National Insurance (Scotland's separate bands included); elsewhere an OECD-anchored effective rate. Tokyo 28%, London 30%. Household: single. Estimate, not a filing model.
Financial math
Compounded net worth from after-tax savings and expected annual returns.
Uncertainty band
The break-even chart's shaded band reruns your numbers ~300 times, nudging investment return, raises, and cost-of-living growth within typical historical swings. It shows a plausible range, not a guarantee, and is seeded from your inputs so it won't change on reload.
Culture & wellbeing
Life expectancy (World Bank) and life satisfaction (Our World in Data) are live, official per-country figures. Languages, English proficiency band, and marriage-equality status are hand-compiled reference facts, not a live feed — verify before relying on them for a legal decision.
Open-Meteo
Live current conditions, 7-day forecast, and current air quality (PM2.5, US AQI) for both city coordinates.
Live city signals
Open-Meteo, weather + air quality
Tokyo
London
City comparison
* Salaries are USD equivalents for mid-senior professionals. Local currency compensation may differ.
Cost of living index?
London is approximately 20% more expensive than Tokyo.
Tokyo — industries
London — industries
Tokyo — lifestyle
London — lifestyle
Run the real decision
The benchmark is only a map. Use your actual offer, spend, household, and risk profile.
Common questions
Is moving from Tokyo to London worth it financially?
On a benchmark software-engineer offer, moving from Tokyo to London adds about $30.4K to net worth over 10 years, breaking even in year 1. Your own salary, spending, and household can flip this — run the simulation with your real numbers.
What salary do I need in London to make the move break even?
About $95.1K — the benchmark offer of $112.0K clears it by $16.9K.
How does the cost of living in London compare to Tokyo?
London indexes at 158 vs Tokyo at 132 (US average = 100), so day-to-day costs are about 20% higher.
How do software engineer salaries compare between Tokyo and London?
Benchmark software-engineer pay is $112.0K in London vs $80.0K in Tokyo (USD-equivalent, sourced market medians — see the sources section for provenance).
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