Well.., it all depends up on the organized shows and
sponsors what you actually paid for. And a minimum of "6"
feets with different looks can make out your career in modeling.

It actually depends on what type of modelling your looking 
at. With catwalk, generally the minimum height you have to 
be is 5'8, but there are models on the catwalk who are 5'6. 
Generally, the catwalk is the only type of modelling that 
requires height.

yes, to be a model you should be tall  for girls 5'5 & boys
5'6.If u r model u are paid when if you doing any show for
the fashion designers for prompting there designs or you r doing
advertisement for product then u r paid.