| That security and the need for cooperation are themselves potential future problems, as regards internal migration for example. |
| Apart from international migration, assumptions were made for internal migration. |
| And yet internal migration is seldom studied or considered at the international programme and policy level. |
| It was unclear whether this was due to international or internal migration. |
| South Africa, like many other countries that experience major international emigration, also faces widespread internal migration. |
| Over the last century, internal migration has overwhelmingly been from mountains to plains, inland to coastal areas, and rural to urban settlements. |
