Ms. Monica wants to explain the concept of 'emigration' to her students. Which of the following examples will help her do this?

Option 2 : Declining population in Sudan

In order to explain the concept of 'emigration' to the students, the following example will help:

Declining population in Sudan

• The population change refers to change in the number of people during a specific time.
• Migration is another way by which population size changes.
• Migration is the movement of people in and out of an area.
• People may move within a country or between countries.
• Emigrants are people who leave a country; Immigrants are those who arrive in a country. 
• Countries like the United States of America and Australia have gained in-numbers by in-migration or immigration.
• Sudan is an example of a country that has experienced a loss in population numbers due to out-migration or emigration.

• The general trend of international migrations is from the less developed nations to the more developed nations in search of better employment opportunities. 

Therefore, the correct answer is - Declining population in Sudan