Not enough jobs
Pollution
Political (government) stability
Fear of being enslaved
More fertile lands
Poor living conditions
Lack of persecution
War in the region
Poor chances of marrying
Higher level of education possible
Better job opportunities
Peaceful living conditions
Poor medical care
Religious freedom
Better chances of marrying
Few opportunities
Drought in the region
Condemned housing
Higher wages
Better living conditions
Desertification
Less risk from natural hazards
Persecution
More attractive climate