With an increase in births and a decrease in deaths, the downward trend in Jeju's population is showing signs of slowing down. The soaring outflow of population has also lost its momentum.

According to the "July 2026 Population Trends" released by the National Data Agency on the 23rd, the number of newborns in the Jeju region for July stood at 324, pushing this year's cumulative total past the 2,000 mark.

In 2024, Jeju's annual number of newborns dropped to an all-time low of 3,156, but rebounded to 3,279 last year. The upward trend continues this year with close to 300 babies being born on a monthly average.

The number of marriages also decreased to 2,614 cases in 2023, but turned upward for two consecutive years, reaching 2,744 cases in 2024 and 2,783 cases in 2025. Cumulative figures up to July of this year also exceed those of the same period last year.

Deaths recorded an all-time high of 4,902 in 2024, but decreased slightly to 4,661 last year. This year's cumulative count stands at 2,753, showing a similar level to last year.

However, natural decline continues as deaths outnumber births. Due to the aftermath of an aging society, Jeju has been experiencing a natural population decline for six consecutive years starting from 2021, with deaths surpassing births.

The number of natural decrease by year is 501 in 2021, 1,207 in 2022, 1,455 in 2023, 1,746 in 2024, and 1,382 in 2025. The cumulative decrease up to July of this year is 683.

Population outflow also continues. However, as the upward momentum has slowed, the population decline is also showing a stagnant trend. Fueled by the craze for "one-month-long stays," Jeju recorded a net influx of 14,362 people in 2016 alone.

On the other hand, starting from August 2023, a net outflow, where out-migrants outnumbered in-migrants, continued for nearly three years. Fortunately, in April of this year, after 2 years and 9 months, a net influx of 126 people was recorded.

Although net outflows occurred again from May to July, there was a net influx of 97 people once more in August. Up to July of this year, a net outflow of 1,454 people has occurred, but compared to last year (-4,273), the scale of the increase has weakened.

Due to the impacts of aging and population outflow, Jeju's total population peaked at 701,047 in November 2023, and has now fallen to 691,278, with about 10,000 people disappearing over a span of three years.

Meanwhile, Aewol-eup in Jeju City surpassed a population of 40,000 for the first time in history as of August this year, continuing its growth trend. Ara-dong in Jeju City also stands at 42,240, showing a widening population gap among regions.

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