How does the demand exceed supply? It would mean that the increase in number of people is higher than increase in amount of available housing. It doesn't seem t

How does the demand exceed supply? It would mean that the increase in number of people is higher than increase in amount of available housing. It doesn't seem to be the case. If this is about everyone flocking to areas with best economy then well, it could be a problem for highly paid professionals but hardly for minimum wage workers.