Singapore is way too crowded, that is obvious. Just walking from
point a to point b feels like a contact sport.
People are consciously or subconsciously trying to reduce the
population size by not having more children
However, their efforts are thwarted by the government opening the
gates to the population overflow from China and India, which in
turn leads to even more people deciding to migrate ouit of the
country, or not have kids.
Given enough time, I think the singapore population will be made up
of 2 main groups of people. More than half will be the elderly, the
rest will be "temporary" Singaporeans from other countries waiting
for their applications to migrate to countries like the US (which
btw is really having problems with the flood of illegal immigrants
from the mexican border alone)
2nd or 3rd generation Singaporeans will become increasingly rare,
since new immigrants will not stay long. (In fact, a lot of these
people do not want to have kids here because they do not want them
to serve national service) There will no longer be enough
manpower(cheap labour) for the Singapore Armed Forces to maintain
its present size, which in turn may have dire consequences for
Singapore's national security and sovereignty. Ministerial posts
will be handed from father to son/daughter because the MIW will be
the only ones still reproducing regularly.
Singapore will slowly become a very crowded port of call for
people, that is all. It will cease to even resemble a
country.
OK, I'm just being cranky because its a Monday morning. But
seriously Singapore is damned crowded 
