Economic changes can influence migration patterns in a number of ways. Here are some of the most common reasons:

• Income differences: People are more likely to migrate from countries with lower incomes to countries with higher incomes. This is because they believe that they will have better opportunities in the destination country, such as higher wages, better job prospects, and a higher standard of living.
• Unemployment: High unemployment rates in the country of origin can push people to migrate in search of work. This is especially true for young people who are just entering the workforce.
• Economic recession: Economic recessions can also lead to increased migration, as people seek to escape job losses and economic hardship.
• Changes in trade: Changes in trade patterns can also affect migration patterns. For example, if a country loses its competitive advantage in a particular industry, this can lead to job losses and increased migration.
• Political instability: Political instability can also be a driver of migration. People may flee their home countries due to war, civil conflict, or other forms of political violence.
• Natural disasters: Natural disasters can also force people to migrate. For example, people who have been displaced by a hurricane or earthquake may seek refuge in other countries.

In addition to these economic factors, there are a number of other factors that can influence migration patterns, such as family ties, cultural factors, and political considerations. However, economic factors are often the most important drivers of migration.

Here are some examples of how economic changes have influenced migration patterns in the past:

• The Irish Potato Famine in the mid-19th century led to a mass exodus of Irish people to the United States and other countries. This was due to the fact that the famine caused widespread poverty and hunger in Ireland.
• The Great Depression of the 1930s led to increased migration from Europe to the United States. This was because many people in Europe lost their jobs and were unable to find work in their home countries.
• The fall of the Soviet Union in the early 1990s led to a mass migration of people from the former Soviet Union to other countries. This was due to the fact that the fall of the Soviet Union led to economic chaos and uncertainty in many of the former Soviet republics.

These are just a few examples of how economic changes can influence migration patterns. The specific factors that influence migration patterns will vary depending on the specific circumstances of each country.