As of May 2026, the population of Senegal is 19.1 million. The number of inhabitants has increased by 477 thousand in the last year, representing a growth of 2.53%. The median age of the population has increased in recent years, rising from 17.2 years in 2016 to 18.5 years in 2026. Currently, life expectancy at birth is 70.8 years and population density is 99.5 inhabitants per square kilometer.
The population growth rate of Senegal peaked in 1967, reaching around 2.95% annually, but has since declined to approximately 2.49% in 2026. However, the annual increase in the number of people continues to rise, reaching around 476.98 thousand in 2026.
In Senegal, life expectancy at birth has been increasing, with the indicator rising from 61.8 years in 2006 to 70.8 years in 2026, representing an increase de 9 years over the past 2 decades.
Senegal has several cities considered medium-sized by their number of inhabitants, but there are also some large ones. The most populous city is Dakar, con una diferencia significativa sobre las demás, alcanzando approximately 2.6 million inhabitants. It is followed by Touba, Diourbel Region with 1.1 million and Pikine, Dakar with 874.1 thousand.
These are the 20 most populous cities in Senegal:
| # | City | Population |
|---|---|---|
| 1 | Dakar | 2,646,503 |
| 2 | Touba, Diourbel Region | 1,120,824 |
| 3 | Pikine, Dakar | 874,062 |
| 4 | Guédiawaye, Dakar | 329,659 |
| 5 | Thiès | 317,763 |
| 6 | Kaolack | 298,904 |
| 7 | Rufisque, Dakar | 295,459 |
| 8 | Mbour, Thies | 284,189 |
| 9 | Saint-Louis | 254,171 |
| 10 | Thiès Nones, Thies | 252,320 |
| # | City | Population |
|---|---|---|
| 11 | Rufisque est, Dakar | 221,066 |
| 12 | Ziguinchor | 214,874 |
| 13 | Diourbel, Diourbel Region | 157,554 |
| 14 | Tambacounda | 149,071 |
| 15 | Louga | 113,365 |
| 16 | Kolda | 103,574 |
| 17 | Tivaouane, Thies | 102,658 |
| 18 | Mbaké, Diourbel Region | 101,451 |
| 19 | Tiébo, Diourbel Region | 100,289 |
| 20 | Keur Médoune, Diourbel Region | 77,255 |