West Africa: countries, map and key data
All 16 countries of West Africa, their capitals and how they compare, from official IMF, World Bank and UN figures.
- Countries
- 16
- Population, 2025
- 467 million (31.4% of Africa)
- Projected population, 2030
- 502.8 million
- GDP, 2025
- $735 billion (23.1% of Africa)
- GDP per person, 2025
- $1,574
- Area
- 6,147,137 sq km
- Most people
- Nigeria
- Largest economy
- Nigeria
- Life expectancy, population-weighted
- 58.7 years
- Deaths under age five per 1,000 births, population-weighted
- 92
The 16 countries of West Africa
- BeninCapital: Porto-Novo (constitutional capital); Cotonou (seat of government)EconomyGovernment
- Burkina FasoCapital: OuagadougouEconomyResourcesGovernment
- Cabo VerdeCapital: PraiaEconomyGovernment
- Côte d'IvoireCapital: Yamoussoukro (legislative capital), Abidjan (administrative and economic capital); note - the US Embassy is in AbidjanEconomyResourcesGovernment
- GambiaCapital: BanjulEconomyResourcesGovernment
- GhanaCapital: AccraEconomyResourcesGovernment
- GuineaCapital: ConakryEconomyResourcesGovernment
- Guinea-BissauCapital: BissauEconomyGovernment
- LiberiaCapital: MonroviaEconomyResourcesGovernment
- MaliCapital: BamakoEconomyResourcesGovernment
- MauritaniaCapital: NouakchottEconomyResourcesGovernment
- NigerCapital: NiameyEconomyResourcesGovernment
- NigeriaCapital: AbujaEconomyResourcesGovernment
- SenegalCapital: DakarEconomyResourcesGovernment
- Sierra LeoneCapital: FreetownEconomyResourcesGovernment
- TogoCapital: LomeEconomyResourcesGovernment
- West Africa (16)
- Other regions
Countries
16
Population, millions
467.0
31.4% of Africa
GDP, US$ billion
735
23.1% of Africa
GDP per person, US$
1,574
Source: International Monetary Fund, World Economic Outlook database, October 2026 (DataMapper indicators NGDPDPC, NGDPD and LP), October 2026. Last checked 24 October 2026.
Population of West Africa
View the data as a table
| Item | 2015 | 2030 | Change |
|---|---|---|---|
| Nigeria | 190.7 | 263.7 | +73.0 |
| Ghana | 28.7 | 38.2 | +9.5 |
| Côte d'Ivoire | 24.8 | 37.9 | +13.1 |
| Niger | 20.0 | 34.8 | +14.8 |
| Mali | 18.6 | 29.3 | +10.7 |
| Burkina Faso | 18.8 | 27.0 | +8.2 |
| Guinea | 12.3 | 17.9 | +5.6 |
| Benin | 11.4 | 17.1 | +5.7 |
| Sierra Leone | 7.0 | 9.8 | +2.8 |
| Togo | 7.1 | 9.7 | +2.6 |
| Liberia | 4.5 | 6.4 | +1.9 |
| Mauritania | 3.7 | 5.2 | +1.5 |
| Gambia | 2.2 | 3.2 | +1.0 |
| Guinea-Bissau | 1.6 | 2.2 | +0.6 |
| Cabo Verde | 0.5 | 0.5 | +0.0 |
Source: International Monetary Fund, World Economic Outlook database, October 2026 (DataMapper indicators NGDPDPC, NGDPD and LP), October 2026. Last checked 24 October 2026.
Economy of West Africa
View the data as a table
| Period | Nigeria | Ghana | Côte d'Ivoire | Guinea | Senegal | Mali |
|---|---|---|---|---|---|---|
| 2015 | 3,651 | 1,723 | 1,846 | 1,084 | 1,219 | 839 |
| 2016 | 2,918 | 1,912 | 1,896 | 1,060 | 1,270 | 874 |
| 2017 | 2,642 | 2,012 | 2,000 | 1,274 | 1,361 | 925 |
| 2018 | 2,898 | 2,195 | 2,167 | 1,348 | 1,459 | 999 |
| 2019 | 3,190 | 2,187 | 2,174 | 1,505 | 1,436 | 974 |
| 2020 | 2,798 | 2,195 | 2,209 | 1,680 | 1,467 | 957 |
| 2021 | 2,789 | 2,445 | 2,478 | 1,756 | 1,601 | 1,030 |
| 2022 | 2,893 | 2,230 | 2,351 | 2,048 | 1,575 | 981 |
| 2023 | 2,139 | 2,384 | 2,598 | 2,349 | 1,690 | 1,045 |
| 2024 | 1,084 | 2,419 | 2,724 | 2,487 | 1,724 | 1,096 |
| 2025 | 1,223 | 3,271 | 3,037 | 2,675 | 1,934 | 1,238 |
| 2026 | 1,594 | 3,604 | 3,264 | 2,797 | Not published | 1,343 |
| 2027 | 1,889 | 3,623 | 3,432 | 3,011 | Not published | 1,409 |
| 2028 | 1,918 | 3,693 | 3,614 | 3,304 | Not published | 1,466 |
| 2029 | 1,979 | 3,840 | 3,828 | 3,584 | Not published | 1,525 |
| 2030 | 2,057 | 4,028 | 4,054 | 3,858 | Not published | 1,587 |
Source: International Monetary Fund, World Economic Outlook database, October 2026 (DataMapper indicators NGDPDPC, NGDPD and LP), October 2026. Last checked 24 October 2026.
Health in West Africa
Natural resources in West Africa
West Africa compared
| West Africa | 16 | 467.0 | 735 | 1,574 | 58.7 |
| East Africa | 18 | 474.2 | 630 | 1,328 | 65.8 |
| North Africa | 6 | 263.3 | 972 | 3,690 | 72.4 |
| Central Africa | 9 | 210.8 | 370 | 1,758 | 62.3 |
| Southern Africa | 5 | 72.3 | 470 | 6,499 | 66.2 |
Source: International Monetary Fund, World Economic Outlook database, October 2026 (DataMapper indicators NGDPDPC, NGDPD and LP), October 2026. Last checked 24 October 2026.
Showing 16 of 16
| Rank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 9 | Benin | Porto-Novo (constitutional capital); Cotonou (seat of government) | 14.8 | 24.6 | 1,661 | 61.0 | 75 | 2.3 | 2 |
| 6 | Burkina Faso | Ouagadougou | 24.1 | 27.7 | 1,150 | 61.3 | 75 | 20.1 | 4 |
| 16 | Cabo Verde | Praia | 0.5 | 3.1 | 5,961 | 76.2 | 11 | 17.7 | 1 |
| 3 | Côte d'Ivoire | Yamoussoukro (legislative capital), Abidjan (administrative and economic capital); note - the US Embassy is in Abidjan | 32.9 | 99.9 | 3,037 | 62.1 | 65 | 4.7 | 2 |
| 14 | Gambia | Banjul | 2.9 | 2.8 | 974 | 66.1 | 42 | 2.9 | 2 |
| 2 | Ghana | Accra | 35.1 | 114.7 | 3,271 | 65.7 | 36 | 13.3 | 2 |
| 8 | Guinea | Conakry | 15.8 | 42.3 | 2,675 | 60.9 | 92 | 4.5 | 2 |
| 15 | Guinea-Bissau | Bissau | 2.0 | 2.7 | 1,315 | 64.3 | 67 | 10.4 | 3 |
| 12 | Liberia | Monrovia | 5.7 | 5.2 | 910 | 62.3 | 86 | 21.9 | 2 |
| 5 | Mali | Bamako | 25.2 | 31.2 | 1,238 | 60.7 | 73 | 18.4 | 4 |
| 13 | Mauritania | Nouakchott | 4.6 | 12.6 | 2,723 | 68.7 | 37 | 11.4 | 3 |
| 4 | Niger | Niamey | 29.1 | 21.3 | 730 | 61.4 | 111 | 6.4 | 4 |
| 1 | Nigeria | Abuja | 237.6 | 290.5 | 1,223 | 54.6 | 116 | 8.6 | 3 |
| 7 | Senegal | Dakar | 19.2 | 37.1 | 1,934 | 68.9 | 37 | 4.4 | 1 |
| 10 | Sierra Leone | Freetown | 8.8 | 7.7 | 874 | 62.0 | 91 | 9.0 | 2 |
| 11 | Togo | Lome | 8.7 | 11.9 | 1,371 | 62.9 | 56 | 7.9 | 2 |
Source: International Monetary Fund, World Economic Outlook database, October 2026 (DataMapper indicators NGDPDPC, NGDPD and LP), October 2026. Last checked 24 October 2026.
Regional blocs in West Africa
The UN regions are a statistical grouping. Trade and political blocs have their own membership, and some countries belong to more than one.
Economic Community of West African States (ECOWAS): 12 members
Burkina Faso, Mali and Niger left ECOWAS in January 2025 and formed the Alliance of Sahel States.
Source: ECOWAS member list, checked 24 October 2026.
Africa's other regions
- East Africa18 countries · 474.2 million people · largest economy Kenya
- North Africa6 countries · 263.3 million people · largest economy Egypt
- Central Africa9 countries · 210.8 million people · largest economy Angola
- Southern Africa5 countries · 72.3 million people · largest economy South Africa
- All regions of AfricaMap and comparison of every region
Method and sources
Countries are grouped by the United Nations M49 standard, where West Africa is "Western Africa". Population, GDP and GDP per person are from the International Monetary Fund, World Economic Outlook database, October 2026 (DataMapper indicators NGDPDPC, NGDPD and LP) (October 2026); figures from 2026 on are IMF projections. Life expectancy, child mortality and natural resource rents are from the World Bank's World Development Indicators. Regional averages are weighted by population. We do not estimate or fill gaps. Figures checked 24 October 2026.
More: all Africa rankings, richest countries in Africa, African countries by population, life expectancy in Africa, natural resources in Africa, debt in Africa, coups in Africa, human development, literacy, internet use. Compare West Africa's largest countries side by side.
Frequently asked questions
How many countries are in West Africa?
16: Benin, Burkina Faso, Cabo Verde, Côte d'Ivoire, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone and Togo. This follows the United Nations' M49 grouping, where the region is called Western Africa. Regional blocs such as ECOWAS draw the line differently.
Which country in West Africa has the largest population?
Nigeria, with 237.6 million people in 2025 according to the IMF, 50.9% of the region.
What is the largest economy in West Africa?
Nigeria, with GDP of $290 billion in 2025, 39.5% of the region's total.
Which is the richest country in West Africa?
Measured by GDP per person, Cabo Verde: $5,961 in 2025. The poorest by the same measure is Niger, at $730.
What is the population of West Africa?
467 million in 2025, 31.4% of Africa's population. The IMF projects 502.8 million by 2030.
Which countries are in ECOWAS?
Economic Community of West African States (ECOWAS) has 12 members: Benin, Cabo Verde, Côte d'Ivoire, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Nigeria, Senegal, Sierra Leone and Togo. Burkina Faso, Mali and Niger left ECOWAS in January 2025 and formed the Alliance of Sahel States.