Sapporo
353 km²
Tokyo
5,165 km²
Tokyo covers 5,165 km² of contiguous built-up land, 15× the built-up area of Sapporo (353 km²).
| Sapporo | Tokyo | |
|---|---|---|
| Urban area | Sapporo | Tokyo |
| Population (2025) | 1.93 million | 33.2 million |
| Built-up area | 353 km² | 5,165 km² |
| Density | 5,471 /km² | 6,419 /km² |
Urban area = contiguous built-up land and the people living in it in 2025, drawn the same way for every city regardless of administrative boundaries. Source: GHSL Urban Centre Database R2024A, European Commission, Joint Research Centre (CC BY 4.0); some names adjusted to the city names people use, and country attribution follows the dataset.