12. Lee’s Migration Model
Location A Location B
Intervening Obstacles
+ - + -
0 Intervening Place 0
13. Lee’s Migration Model
Location A Location B
Intervening Obstacles
+ - + -
0 Intervening Place 0
+ -
0
14. Lee’s Migration Model
Location A Location B
Intervening Obstacles
+ - + -
0 Intervening Place 0
?
+ -
0
15. Lee’s Migration Model
Location A Location B
Intervening Obstacles
+ - + -
0 Intervening Place 0
?
+ -
0
Source: Adapted from Global Challenge. Alistair McNaught and Michael Witherick. Longman. 2001.
21. Ravenstein’s Law - Number 1
Most migrants move only relatively short distances.
22. Ravenstein’s Law - Number 1
Most migrants move only relatively short distances.
There is an inverse relationship between the number of migrants and distance
travels.
23. Ravenstein’s Law - Number 1
Most migrants move only relatively short distances.
There is an inverse relationship between the number of migrants and distance
travels.
Distance decay.
24. Ravenstein’s Law - Number 1
Most migrants move only relatively short distances.
There is an inverse relationship between the number of migrants and distance
travels.
Distance decay.
26. Ravenstein’s Law - Number 2
People who do move long distances are largely unaware of the opportunities
that are available at their destination.
27. Ravenstein’s Law - Number 2
People who do move long distances are largely unaware of the opportunities
that are available at their destination.
So … they tend to move to large urban centres.
28. Ravenstein’s Law - Number 2
People who do move long distances are largely unaware of the opportunities
that are available at their destination.
So … they tend to move to large urban centres.
32. Ravenstein’s Law - Number 4
People in rural areas are much more likely to migrate than those in urban
centres.
33. Ravenstein’s Law - Number 4
People in rural areas are much more likely to migrate than those in urban
centres.
Based on the exponential growth of cities (natural increase + rural-urban
migration).
36. Ravenstein’s Law - Number 5
A typical migrant:
• Women are more likely to migrate within their county than men.
37. Ravenstein’s Law - Number 5
A typical migrant:
• Women are more likely to migrate within their county than men.
• Men are more likely to emigrate than women.
38. Ravenstein’s Law - Number 5
A typical migrant:
• Women are more likely to migrate within their county than men.
• Men are more likely to emigrate than women.
• Most migrants are 24-35 years old.