Population
According to the 2024 data from the Turkish Statistical Institute’s Address-Based Population Registration System (ADNKS), the total population of the TRC1 Region is approximately 2.96 million, accounting for 3.4% of Turkey’s total population. The region’s annual population growth rate is 12.5 per thousand, significantly higher than the national average of 3.4 per thousand. Among the provinces in the region, Gaziantep has the highest growth rate at 13.4 per thousand, followed by Adıyaman at 9.97 and Kilis at 10 per thousand.
In terms of population density, the TRC1 Region has 189 people per square kilometer, compared to the national average of 111. Gaziantep stands out with a population density of 325 people/km², exceeding both the regional and national averages. Adıyaman and Kilis, on the other hand, have densities of 82 and 111 people/km², respectively.
When examining demographic indicators, the youth population (aged 15–24) constitutes 506,000 individuals, representing 17% of the region’s population. The child dependency ratio is 44.3%, which is significantly above the national average of 30.5%, indicating a population structure dominated by younger age groups. The elderly dependency ratio is 10.5%, which remains below the national average of 15.5%.
The average household size in the TRC1 Region is 3.68, higher than the national average of 3.11. Among the provinces, Gaziantep has the highest figure with 3.73, followed by Adıyaman at 3.60 and Kilis at 3.29.
Population Statistics of Turkey and the TRC1 Region
| Turkey | TRC1 Region | Gaziantep | Adıyaman | Kilis | |
| Total Population | 85.664.944 | 2.961.139 | 2.193.363 | 611.037 | 156.739 |
| Annual Population Growth Rate (%) | 3,42 | 12,52 | 13,42 | 9,97 | 10 |
| Population Density (people/km²) | 111 | 189 | 325 | 82 | 111 |
| Youth Population (15–24 years) | 12.763.159 | 506.181 | 379.683 | 97.597 | 28.901 |
| Total Number of Households | 26.599.261 | 787.525 | 575.598 | 167.215 | 44.712 |
| Average Household Size | 3,11 | 3,68 | 3,73 | 3,6 | 3,29 |
| Child Dependency Ratio (%) | 30,58 | 44,38 | 45,47 | 41,43 | 40,68 |
| Elderly Dependency Ratio (%) | 15,54 | 10,54 | 9,46 | 13,9 | 12,44 |