because they will have a new house and enjoy in the new country or city.
well when people migrate they can be illeagal in some places like Mexico
cause they don't like people
You people are morans you dont even know that ligers migrate there just like tigers and lions ask do lions migrate and find out then
Cuz they like ice-hockey and the accent.
because they dont like people who mess with them
because they felt like it
They drive on highways and interstates just like they would migrate across any state in the US.
When people migrate the population that they left becomes smaller. When these people migrate to where they are going to that population becomes larger.
Because they would like a change.
No body likes to migrate, it's just when you can't have a secure life at your home country, then you start considering migration as an option.
Lack of food (for one) will make people migrate. Also, weather or temperature will make people migrate.
its hard for people to migrate because of money