SI
Integration Index

🇪🇸 Madridvs🇧🇬 Sofia

Two numbers per city. The Integration Index measures how integrated public transport is. Car-free liveability is reported alongside as a separate sibling metric.

Integrated Transport
52.8
vs
55.0
Car Dependency
26.4
vs
34.2
Equity
50.0
vs
50.0
Qualitative Integration
Physical Interchange
7.7
vs
5.3
Ticketing & Fares
6.7
vs
7.7
Digital Information
8.0
vs
6.0
System Integration
6.0
vs
3.7
City Profile
Population
4.5M
vs
1.2M
Car Ownership
397/1k
vs
655/1k
GDP per Capita
€43k
vs
€35k

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