GHS_POP residents per 550 m cell, scaled within each epoch so every epoch has relief.
1975
Settlement density · column height
SparseDense
Surface layer: GHSL P2023A (JRC, CC BY 4.0) & VIIRS DNB / DMSP-OLS (NOAA) · Population: UN World Urbanization Prospects 2025 & Lagos State · Oil & GDP: EIA, World Bank WDI · Photographs: Johnny Miller / Unequal Scenes
