Richer territories tend to experience net immigration (greater immigration than emigration). Just under half of the 200 territories mapped currently experience net immigration. Those territories with net emigration (greater emigration than immigration) have size zero on this map.
Regions experiencing the highest net immigration are North America, Western Europe and the Middle East. Together these three regions account for 79.5% of world net immigration. The United States alone receives 37.1% of the world net total.