<P> Less than 2% of Egyptian population live in the Sinai, and hence Egypt even though technically transcontinental is usually considered an African country, as well as an Arab country . But when discussing the geopolitical region of the Middle East and North Africa, Egypt is usually grouped with the Western Asian countries as part of the Middle East, while Egypt's western neighbor Libya is grouped with the remaining North African countries as the Maghreb . However, they are both members of the Arab League as well as the African Union . </P> <P> The Seychelles, Mauritius, and Comoros are island nations in the Indian Ocean associated with Africa . The island of Socotra may be considered African as it lies on this continent's shelf, but is part of Yemen, an Asian country . </P> <P> The border between North America and South America is at some point on the Isthmus of Panama . The most common demarcation in atlases and other sources follows the Darién Mountains watershed divide along the Colombia - Panama border where the isthmus meets the South American continent . Virtually all atlases list Panama as a state falling entirely within North America and / or Central America . </P> <P> Often most of the Caribbean islands are considered part of North America, but Aruba, Bonaire, Curaçao and Trinidad and Tobago lie on the continental shelf of South America . On the other hand, the Venezuelan Isla Aves and the Colombian San Andrés and Providencia lie on the North American shelf . </P>

Where is the dividing line between north and south america
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