The population of Abay Region as of October 1, 2025, amounted to 597.3 thousand people, including 374.4 thousand urban residents (62.7%) and 222.9 thousand rural residents (37.3%). Compared to the beginning of 2025, the population decreased by 5.5 thousand people, or by 0.9%.

Natural population change

Overall, in Abay Region for January–September 2025, the natural population increase amounted to 2229 people, which is 29.1% less than in January–September 2024 (3142 people). The total natural increase rate was 4.98 per 1000 population.

According to information recorded in civil status acts submitted by the civil registry offices, the number of births for January–September 2025 amounted to 6200, which is 14.3% less than in the corresponding period of 2024 (7231). The total birth rate was 13.84 per 1000 population.

During the reporting period, the number of deaths amounted to 3971, which is 2.9% less than in January–September 2024 (4089). The total mortality rate was 8.86 deaths per 1000 population.

For January–September 2025, 37 infant deaths (under 1 year of age) were registered in the region, which is 36.2% less than in the corresponding period of 2024 (58 infant deaths). The infant mortality rate was 5.97 deaths per 1000 live births.

Population migration

According to data provided by the migration service, for January–September 2025 the number of arrivals to the region amounted to 23624 people, while the number of departures totaled 31393. As a result of external and internal migration, there was a net loss of 7769 people.

The main external migration exchange occurs with CIS countries. The number of arrivals from CIS countries amounted to 68 people (66%), and the number of departures was 140 people (89.7% of all migrants). The majority of arrivals and departures are associated with the Russian Federation.

With non-CIS foreign countries, the migration balance was positive: 35 people arrived in the region, while 11 departed.

Regarding interregional migration within the country, 9947 people arrived and 17,663 departed, resulting in a negative balance of 7716 people.

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Methodological explanations

The natural growth rate is the difference between the total fertility and mortality rates.

The total fertility rate is an indicator that determines the intensity of childbearing in relation to the entire population. Represents the ratio of the total number of live births during the period to the average population. As a rule, it is calculated per 1000 population.

The total mortality rate is an indicator that determines the intensity of mortality of the population. Represents the ratio of the total number of deaths during the period to the average population. As a rule, it is calculated per 1000 population.

The infant mortality rate is an indicator that determines the mortality rate of children under the age of one year. It is calculated by the ratio of the number of deaths under the age of 1 to the number of live births. The infant mortality rate is calculated per 1,000 live births.

Population migration -   the   movement  of people (migrants) across the borders of certain regions with a change of residence.

Migrant - a person who commits a migration with change of residence.

Number of arrivals -    the   number of people who have entered into the region because of its limits during the reporting period.

Number of departures - the number of people who left the region outside of its boundaries during the reporting period.

www.stat.gov.kz / Official statistics / By industry / Demographic statistics

© Agency for Strategic planning and reforms of the Republic of Kazakhstan Bureau of National statistics

Source : https://www.gov.kz/memleket/entities/abay/press/news/details/1113105?lang=kk