Sejong-si
City in Sejong (South Korea)
Contents: Population
The population development of Sejong-si as well as related information and services (Wikipedia, Google, images).
| Name | Status | Native | Population Census 1980-11-01 | Population Census 1990-11-01 | Population Census 2000-11-01 | Population Census 2010-11-01 | Population Census 2015-11-01 | Population Census 2020-11-01 | Population Census 2025-11-01 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Sejong-si [Yeongi-gun] | City | 세종시 | 97,357 | 90,502 | 80,031 | 81,447 | 204,088 | 353,933 | 392,471 | |
| Daehan Minguk [South Korea] | Republic | 대한민국 | 37,436,315 | 43,410,899 | 46,136,101 | 48,580,293 | 51,069,375 | 51,829,136 | 51,817,499 |
Source: National Statistical Office of the Republic of Korea.
Explanation: Since 2015, a register-based census is performed. Nevertheless, the results are not consistent with the population figures from the resident registration that are higher by about 3.5% on average.
Further information about the population structure:
| Gender (C 2025) | |
|---|---|
| Males | 197,138 |
| Females | 195,333 |
| Age Groups (C 2025) | |
|---|---|
| 0-14 years | 66,484 |
| 15-64 years | 279,608 |
| 65+ years | 46,379 |
| Age Distribution (C 2025) | |
|---|---|
| 90+ years | 1,556 |
| 80-89 years | 7,951 |
| 70-79 years | 18,998 |
| 60-69 years | 38,975 |
| 50-59 years | 58,276 |
| 40-49 years | 75,288 |
| 30-39 years | 58,684 |
| 20-29 years | 41,256 |
| 10-19 years | 53,036 |
| 0-9 years | 38,451 |
| Citizenship (C 2025) | |
|---|---|
| Korea | 384,154 |
| Foreign Citizenship | 8,317 |