Population size is only one factor in influencing property prices
Fewer people may result in cheaper property but there are other factors involved such as income and supply-and-demand dynamics

During a recent discussion with business school students at Tsinghua University the question arose as to whether real estate prices would fall if populations began declining.
This is certainly likely, yet it is still just one possibility, and the notion that fewer people leads to lower property prices is not always destiny.
Here's why. First, population does not have a significant correlation with real estate prices. For instance, India has a population that is close to (and is expected to one day exceed that of) China.
Its population density is even higher than that of China.
However, the fact is that real estate prices in India remain below those of China.
Another example would be the Scandinavian countries, which have relatively low populations but high property prices.