In 2023, South Korea had almost 284 thousand registered foreign nationals aged 30 to 34, the highest proportion of any age group. Foreign nationals aged 25 to 29 followed with about 270 thousand. The total number of registered foreign citizens in South Korea that year amounted to just over 1.93 million.
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KOSIS. (July 29, 2024). Number of foreign citizens living in South Korea in 2023, by age group (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1297871/south-korea-foreign-citizens-by-age/
KOSIS. "Number of foreign citizens living in South Korea in 2023, by age group (in 1,000s)." Chart. July 29, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1297871/south-korea-foreign-citizens-by-age/
KOSIS. (2024). Number of foreign citizens living in South Korea in 2023, by age group (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1297871/south-korea-foreign-citizens-by-age/
KOSIS. "Number of Foreign Citizens Living in South Korea in 2023, by Age Group (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 29 Jul 2024, /statistics/1297871/south-korea-foreign-citizens-by-age/
KOSIS, Number of foreign citizens living in South Korea in 2023, by age group (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1297871/south-korea-foreign-citizens-by-age/ (last visited July 23, 2026)
Number of foreign citizens living in South Korea in 2023, by age group (in 1,000s) [Graph], KOSIS, July 29, 2024. [Online]. Available: /statistics/1297871/south-korea-foreign-citizens-by-age/
