Source: Essential Living
Insights
Seoul tops both the overall ranking and accessibility ranking.
Madrid has significantly lower ridership but is highly accessible.
Paris has low accessibility despite being a major city.
Overall Ranking:
Top 5: Seoul Subway (South Korea), Shanghai Metro (China), Tokyo Metro (Japan), Mexico City Metro, London Underground
Lowest 3: Paris Metro, Beijing Subway, Moscow Metro
Ridership:
Most passengers: Beijing Subway (38 billion passengers/year)
Least passengers: Madrid Metro (657 million passengers/year)
Accessibility:
Most accessible: Seoul Subway
Least accessible: Paris Metro