As of June 2026, the population of Azerbaijan is 10.5 million. The number of inhabitants has increased by 43 thousand in the last year, representing a growth of 0.42%. The median age of the population has increased in recent years, rising from 29.2 years in 2016 to 34 years in 2026. Currently, life expectancy at birth is 74 years and population density is 127.7 inhabitants per square kilometer.
The population growth rate of Azerbaijan peaked in 1961, reaching around 3.31% annually, but has since declined to approximately 0.4% in 2026. The annual increase in the number of people has also decreased from a peak of around 144.95 thousand in 1963 to nearly 42.59 thousand in 2026.
In Azerbaijan, life expectancy at birth has been increasing, with the indicator rising from 68.2 years in 2006 to 74 years in 2026, representing an increase of almost 6 years over the past 2 decades.
The cities of Azerbaijan are mostly small, but 7 stand out with more than 100 thousand inhabitants. The most populous city is Baku, Baki, con una diferencia significativa sobre las demás, alcanzando approximately 2.4 million inhabitants. It is followed by Sumqayıt, Sumqayit with 358.7 thousand and Ganja, Gǝncǝ with 335.6 thousand.
These are the 20 most populous cities in Azerbaijan:
| # | City | Population |
|---|---|---|
| 1 | Baku, Baki | 2,351,300 |
| 2 | Sumqayıt, Sumqayit | 358,675 |
| 3 | Ganja, Gǝncǝ | 335,600 |
| 4 | Lankaran, Lənkəran | 240,300 |
| 5 | Tovuz, Tovuz District | 177,200 |
| 6 | Yevlakh, Yevlax City | 127,400 |
| 7 | Mingachevir, Mingacevir City | 106,048 |
| 8 | Naxçıvan, Nakhchivan | 97,200 |
| 9 | Qaraçuxur, Baki | 87,349 |
| 10 | Lerik, Lerik District | 87,000 |
| # | City | Population |
|---|---|---|
| 11 | Saatlı | 87,000 |
| 12 | Şirvan, Shirvan | 70,220 |
| 13 | Sheki, Shaki City | 68,400 |
| 14 | Bakıxanov, Baki | 66,686 |
| 15 | Agdzhabedy, Ağcabǝdi | 43,000 |
| 16 | Göyçay | 42,500 |
| 17 | Bilajari, Baki | 42,194 |
| 18 | Maştağa, Baki | 40,092 |
| 19 | Ağdam | 39,451 |
| 20 | Khirdalan, Abşeron | 37,949 |