2 In some developed countries (Such as USA),modify the policy of relatives of immigrants.
Citizens and permanent residents' spouses or minor children (under 18 years old) will not wait for waiting period.If citizens and permanent resident handle the immigration for spouses or minor children,they can go to the country soon.
3 Before the tightening of immigration policy,their brother or sister handle the immigration for them.Or their mother or father handle the immigration for them (when the person is over 18 years old now.).
if the person (include their spouse) is these types of situations:
a. if the person over 35 under 40 years of age,and have minor children,can permanent stay in the country,and still keep their permanent residents status.