(0)
| Urban centre (high-density clusters):
a cluster of contiguous grid cells of 1 km² with a density of at least 1 500 inhabitants per km² and a minimum population of 50 000 after gap-filling |
(1)
| Urban clusters:
a cluster of contiguous grid cells of 1 km² with a density of at least 300 inhabitants per km² and a minimum population of 5 000 |
(2)
| Rural grid cells:
grid cells of 1 km² outside of urban centres and urban clusters |
(3)
| Data not available |
|