As of May 2026, the population of Portugal is 10.2 million. The number of inhabitants has decreased by 26 thousand in the last year, representing a decline of 0.26%. The median age of the population has increased in recent years, rising from 43.2 years in 2016 to 46.9 years in 2026. Currently, life expectancy at birth is 82.9 years and population density is 110.6 inhabitants per square kilometer.
The population growth rate of Portugal peaked in 1971, reaching around 1.59% annually, but has since declined to approximately -0.26% in 2026. The annual increase in the number of people has also decreased from a peak of around 138.53 thousand in 1971 to nearly -26.26 thousand in 2026.
In Portugal, life expectancy at birth has been increasing, with the indicator rising from 79.1 years in 2006 to 82.9 years in 2026, representing an increase of almost 4 years over the past 2 decades.
The cities of Portugal are mostly small, but 10 stand out with more than 100 thousand inhabitants. The most populous city is Lisbon, con una diferencia significativa sobre las demás, alcanzando approximately 517.8 thousand inhabitants. It is followed by Porto with 252.7 thousand and Braga with 193.3 thousand.
These are the 20 most populous cities in Portugal:
| # | City | Population |
|---|---|---|
| 1 | Lisbon | 517,802 |
| 2 | Porto | 252,687 |
| 3 | Braga | 193,324 |
| 4 | Amadora, Lisbon | 178,858 |
| 5 | Coimbra | 140,796 |
| 6 | Leiria | 128,640 |
| 7 | Setúbal | 118,166 |
| 8 | Funchal, Madeira | 105,795 |
| 9 | Viseu | 103,502 |
| 10 | Queluz, Lisbon | 103,399 |
| # | City | Population |
|---|---|---|
| 11 | Cacém, Lisbon | 93,982 |
| 12 | Aveiro | 80,880 |
| 13 | Vila Nova de Gaia, Porto | 70,811 |
| 14 | Faro | 70,347 |
| 15 | Algueirão, Lisbon | 66,250 |
| 16 | Loures, Lisbon | 66,231 |
| 17 | Felgueiras, Porto | 58,065 |
| 18 | Rio de Mouro, Lisbon | 54,695 |
| 19 | Odivelas, Lisbon | 54,624 |
| 20 | Évora | 53,591 |