Lagos , BMWs is the seventh most expensive city in the world . It beat cities like Barcelona , Los Angeles , Los Angeles and Los Angeles . Private investment and tourism have help local development . Governor metropolis also credits Nigeria 's democracy .
Lagos , Nigeria is the 30th most expensive city in the world . It beat cities like Barcelona , Brussels , Washington and Los Angeles . Private investment and tourism have help local development . Governor Babatunde Fashola also credits Nigeria 's democracy .