should be intensively considered
Many people stand for a belief that the trend of living individually is a consequence of several objective reasons which related to booming economy or immoral perception
Many people cite the booming economy or immoral perception as the reason for the trend of living individually.
more crucial than anything
or "are given more priority". The comma after "anything" should be omitted.
accidentally becomes a barrier that prevents people from
is still exists
the proportion between male and female
sex ratio
126 men compares to 100 of their counterparts
126 men to 100 women
On the other hand
This phrase is not appropriate here.
the period of time spending spent for social activities
, therefore, people will find extremely hard to interact even with their neighbors
This could form a new sentence.
I think you should shorten some of your sentences. Your vocabulary is great, but lengthy sentences full of big words may make readers feel tired at times.
Hope this helps!