How do countries that are very small in size cope with space management? Countries like Singapore ,Luxembourg?

Question

How do countries that are very small in size cope with space management? Countries like Singapore ,Luxembourg?

Answer 1

Singapore is very croweded and creates arificial islands for growth, and has very dense intensive growth.

Luxwmbourg is not too heavily populated, and has one major city and a few smaller cities.  Remember that Luxembourg has the same growth rate as many western European countries (i.e. none or negative)

Answer 2

In places like Singapore and Hong Kong high rise housing is the norm.

Can't say about Luxembourg