MaliMali (ˈmɑːli; mali), officially the Republic of Mali, is a landlocked country in West Africa. Mali is the eighth-largest country in Africa, with an area of over . The country is bordered on the north by Algeria, on the east by Niger, on the northwest by Mauritania, on the south by Burkina Faso and Côte d'Ivoire, and on the west by Guinea and Senegal. The population of Mali is million. 67% of its population was estimated to be under the age of 25 in 2017. Its capital and largest city is Bamako.
SenegalSenegal, officially the Republic of Senegal, is a country in West Africa, on the Atlantic Ocean coastline. Senegal is bordered by Mauritania to the north, Mali to the east, Guinea to the southeast and Guinea-Bissau to the southwest. Senegal nearly surrounds the Gambia, a country occupying a narrow sliver of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. Senegal also shares a maritime border with Cape Verde.
Guinea-BissauGuinea-Bissau (ˌɡɪni_bᵻˈsaʊ ; Guiné-Bissau; Gine-Bisaawo; Mandinka: ߖߌߣߍ ߺ ߓߌߛߊߥߏ߫ Gine-Bisawo), officially the Republic of Guinea-Bissau (República da Guiné-Bissau ʁɛˈpuβlikɐ ðɐ ɣiˈnɛ βiˈsaw), is a country in West Africa that covers with an estimated population of 2,026,778. It borders Senegal to its north and Guinea to its southeast. Guinea-Bissau was once part of the kingdom of Kaabu, as well as part of the Mali Empire. Parts of this kingdom persisted until the 18th century, while a few others were under some rule by the Portuguese Empire since the 16th century.
NigeriaNigeria (naɪˈdʒɪəriə ), officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of Guinea to the south in the Atlantic Ocean. It covers an area of , and with a population of over 230 million, it is the most populous country in Africa, and the world's sixth-most populous country. Nigeria borders Niger in the north, Chad in the northeast, Cameroon in the east, and Benin in the west.
Trade blocA trade bloc is a type of intergovernmental agreement, often part of a regional intergovernmental organization, where barriers to trade (tariffs and others) are reduced or eliminated among the participating states. Trade blocs can be stand-alone agreements between several states (such as the USMCA) or part of a regional organization (such as the European Union). Depending on the level of economic integration, trade blocs can be classified as preferential trading areas, free-trade areas, customs unions, common markets, or economic and monetary unions.
LiberiaLiberia (laɪˈbɪɹiə), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean to its south and southwest. It has a population of around 5 million and covers an area of . The country's official language is English; however, over 20 indigenous languages are spoken, reflecting the country's ethnic and cultural diversity. The capital and largest city is Monrovia.
Economic integrationEconomic integration is the unification of economic policies between different states, through the partial or full abolition of tariff and non-tariff restrictions on trade. The trade-stimulation effects intended by means of economic integration are part of the contemporary economic Theory of the Second Best: where, in theory, the best option is free trade, with free competition and no trade barriers whatsoever.
