As of July 2026, the population of Kazakhstan is 21.1 million. The number of inhabitants has increased by 234 thousand in the last year, representing a growth of 1.15%. The median age of the population has increased in recent years, rising from 28.5 years in 2016 to 29.7 years in 2026. Currently, life expectancy at birth is 74.8 years and population density is 7.8 inhabitants per square kilometer.
The population growth rate of Kazakhstan peaked in 1950, reaching around 3.4% annually, but has since declined to approximately 1.11% in 2026. The annual increase in the number of people has also decreased from a peak of around 359.33 thousand in 1977 to nearly 234.1 thousand in 2026.
In Kazakhstan, life expectancy at birth has been increasing, with the indicator rising from 65.7 years in 2006 to 74.8 years in 2026, representing an increase of more than 9 years over the past 2 decades.
Kazakhstan has several cities considered medium-sized by their number of inhabitants, but there are also some large ones. The most populous city is Almaty, with approximately 2 million inhabitants. It is followed by Astana with 1.5 million and Shymkent with 1.2 million.
These are the 20 most populous cities in Kazakhstan:
| # | City | Population |
|---|---|---|
| 1 | Almaty | 1,977,011 |
| 2 | Astana | 1,544,142 |
| 3 | Shymkent | 1,200,000 |
| 4 | Aktobe | 500,757 |
| 5 | Karagandy, Karaganda | 497,777 |
| 6 | Taraz, Zhambyl | 358,153 |
| 7 | Kyzylorda | 354,800 |
| 8 | Oral, West Kazakhstan | 330,000 |
| 9 | Pavlodar, Pavlodar Region | 329,002 |
| 10 | Ust-Kamenogorsk, East Kazakhstan | 319,067 |
| # | City | Population |
|---|---|---|
| 11 | Semey, Abai Region | 292,780 |
| 12 | Atyrau, Atyrau Oblisi | 290,700 |
| 13 | Turkistan | 227,098 |
| 14 | Kostanay | 210,000 |
| 15 | Petropavl, North Kazakhstan | 200,920 |
| 16 | Temirtau, Karaganda | 170,600 |
| 17 | Kokshetau, Aqmola | 150,649 |
| 18 | Aktau, Mangystau | 147,443 |
| 19 | Rudnyy, Kostanay | 124,000 |
| 20 | Ekibastuz, Pavlodar Region | 121,470 |