The number of people migrating internationally has risen rapidly and from 1950 to 2015, the global population grew rapidly from 2.5 billion to 7.3 billion
In the 1990s, international migration occurred mainly to world destinations like New York and Paris. Now, many cities in developing countries (e.g. Mumbai and Lagos) have become major hubs for migration
The flows of international migration will continue to change over time, as environmental, political and economic events occur and a country's development improves or declines
Some independent states (Vietnam, Sudan, etc) were left unable to successfully govern themselves, which has lead to many conflicts and wars following the end of the Imperial Era
The taxes paid by businesses are crucial for governments to fund healthcare, education and other public services
As a result, there are significant impacts if companies use transfer pricing or tax havens, which could stunt a state's development and attractiveness to migrants