How is migration derived? (cont.)
Exercise
The following exercise considers different migration scenarios and how they relate to questions asked in a census.
In each scenario the census enumeration takes place in 2010. The red line shows the place of residence 5 years ago, ie in 2005.
Scenario 1

Question 1
In the Census of the two regions (Region A and Region B) in 2010, if the only migration that happened was that people moved from region A to region B during the past 5 years (between 2005 and 2010), as shown by the black line. Then which of the following statements is true?
| 1. There is a greater number of migrants answering "place of last residence" than "place of residence five years ago" |
| 2. There is a lesser number of migrants answering "place of last residence" than "place of residence five years ago" |
| 3. There is the same number of migrants answering "place of last residence" and "place of residence five years ago" |