As of May 2026, the population of Guinea is 15.2 million. The number of inhabitants has increased by 348 thousand in the last year, representing a growth of 2.34%. The median age of the population has increased in recent years, rising from 17 years in 2016 to 18.5 years in 2026. Currently, life expectancy at birth is 61.1 years and population density is 61.9 inhabitants per square kilometer.
The population growth rate of Guinea peaked in 1990, reaching around 4.36% annually, but has since declined to approximately 2.29% in 2026. However, the annual increase in the number of people continues to rise, reaching around 348.38 thousand in 2026.
In Guinea, life expectancy at birth has been increasing, with the indicator rising from 55.1 years in 2006 to 61.1 years in 2026, representing an increase de 6 years over the past 2 decades.
Guinea has several cities considered medium-sized by their number of inhabitants, but there are also some large ones. The most populous city is Conakry, with approximately 1.9 million inhabitants. It is followed by Camayenne, Conakry with 1.9 million and Nzérékoré, Nzérékoré Region with 226.4 thousand.
These are the 20 most populous cities in Guinea:
| # | City | Population |
|---|---|---|
| 1 | Conakry | 1,928,389 |
| 2 | Camayenne, Conakry | 1,871,242 |
| 3 | Nzérékoré, Nzérékoré Region | 226,426 |
| 4 | Kankan, Kankan Region | 221,428 |
| 5 | Manéah, Kindia | 194,297 |
| 6 | Dubréka, Kindia | 182,296 |
| 7 | Kindia | 161,024 |
| 8 | Siguiri, Kankan Region | 148,018 |
| 9 | Dixinn, Conakry | 137,287 |
| 10 | Kissidougou, Faranah | 116,019 |
| # | City | Population |
|---|---|---|
| 11 | Kamsar, Boké Region | 113,350 |
| 12 | Labé, Labé Region | 107,571 |
| 13 | Gueckedou, Nzérékoré Region | 79,140 |
| 14 | Mamou, Mamou Region | 79,109 |
| 15 | Coyah, Kindia | 77,103 |
| 16 | Faranah | 70,181 |
| 17 | Macenta, Nzérékoré Region | 68,020 |
| 18 | Fria, Boké Region | 64,169 |
| 19 | Boké, Boké Region | 63,736 |
| 20 | Kolaboui, Boké Region | 57,251 |