Wanderlust World Wanderlust World The question is unanswerable without specifying the geographic scope (country, state, continent) and metric (city proper, metro area, urban agglomeration).
| Scope | Largest | Second Largest | Metric |
|---|---|---|---|
| World (urban agglomeration) | Tokyo | Delhi / Shanghai | ~37M / ~33M |
| United States (city proper) | New York (8.3M) | Los Angeles (3.8M) | 2022 Census |
| United States (metro) | NYC (19.7M) | Los Angeles (12.9M) | 2022 MSA |
| India (city proper) | Mumbai (12.5M) | Delhi (11.0M) | 2011 Census |
| China (city proper) | Shanghai (24.9M) | Beijing (21.5M) | 2020 Census |
| Brazil (city proper) | São Paulo (12.3M) | Rio de Janeiro (6.7M) | 2022 est. |
| United Kingdom (city proper) | London (8.8M) | Birmingham (1.1M) | 2021 Census |
| Canada (city proper) | Toronto (2.8M) | Montreal (1.8M) | 2021 Census |
| Australia (city proper) | Sydney (5.3M) | Melbourne (5.0M) | 2021 GCCSA |
For a precise answer, specify: "What is the second largest city in [country/state] by [city proper / metro population]?"