For all of developed countries. About if citizens or permanent residents has handled immigrant for their minor children, but now their children have been over 18 years of age:
Final result:
When they will have worked in the country accumulative 16 years, and have paid enough taxes (or maybe accumulative ? years)(So they will have paid tax accumulative or over ? years in the country), they can be got the permanent resident status.
If a temporary resident refuse to fulfill these:
If a temporary resident (when over 18 years of age, conform above of the situations), refuse to go to work or go to school, but want to still stay in the developed country. If the temporary resident continue about 3 month (or maybe continue ? month) to refuse to go to work or go to school,