W World Decision

Sourced relocation comparison

London vs Paris: which fits you?

Compare two global capitals with the same transparent weights and evidence standards. Change the weights below: the recommendation and its explanation update together.

Your priorities

Weight what matters

Start immediately: move any available factor. Scores, order and the explanation update in your browser.

No comparable, maintained education measure is in the current dataset.
Lake access is not yet scored; this factor currently uses coast and mountain distance.
A practical evidence group, not a universal judgement about family life.

Missing or stale values stay out of the score; covered weights are renormalized.

Live recommendation

Your evidence-weighted shortlist

Balanced profile

A starting shortlist, not a promise. Every value shows its source and date; open a destination for the complete evidence profile.

Audit the result

Every scored value, with its date and source.

Stale or missing values do not influence the score. Confidence affects contribution, and covered weights are renormalized.

Paris

medium confidence · 100% coverage
Net annual earnings (single, no children)high
Comparative price level (household consumption)high
Monthly rent, 1-bedroom, city centremedium
Average annual temperaturemedium
Annual sunshine hoursmedium
Annual precipitationmedium
Air quality — annual mean PM2.5medium
Intentional homicide ratehigh
Healthcare / health outcome (life expectancy at birth)high
Distance to nearest major international airporthigh
Public-transport provision (ordinal proxy)low
10 index_0_10 · Documented public-transport provision ordinal (rapid-transit systems + city size)
Distance to nearest sea / coastlinemedium
Distance to nearest mountains (>1500 m)low
English / language accessibilitymedium

London

low confidence · 73% coverage
Comparative price level (household consumption)high
Monthly rent, 1-bedroom, city centrelow
Average annual temperaturemedium
Annual sunshine hoursmedium
Annual precipitationmedium
Air quality — annual mean PM2.5low
Distance to nearest major international airporthigh
Public-transport provision (ordinal proxy)low
10 index_0_10 · Documented public-transport provision ordinal (rapid-transit systems + city size)
Distance to nearest sea / coastlinemedium
Distance to nearest mountains (>1500 m)low
English / language accessibilityhigh