As of July 2026, the population of Senegal is 19.4 million. The number of inhabitants has increased by 437 thousand in the last year, representing a growth of 2.30%. The median age of the population has increased in recent years, rising from 17.6 years in 2016 to 19.8 years in 2026. Currently, life expectancy at birth is 69.4 years and population density is 100.6 inhabitants per square kilometer.
The population growth rate of Senegal peaked in 2013, reaching around 3.22% annually, but has since declined to approximately 2.26% in 2026. The annual increase in the number of people has also decreased from a peak of around 441.45 thousand in 2013 to nearly 437.02 thousand in 2026.
In Senegal, life expectancy at birth has been increasing, with the indicator rising from 61.8 years in 2006 to 69.4 years in 2026, representing an increase of almost 8 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 Pikine, Dakar with 1.2 million and Touba, Diourbel Region with 1.1 million.
These are the 20 most populous cities in Senegal:
| # | City | Population |
|---|---|---|
| 1 | Dakar | 2,646,503 |
| 2 | Pikine, Dakar | 1,170,791 |
| 3 | Touba, Diourbel Region | 1,120,824 |
| 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 |