The latest forecast by Statistics Korea puts the population in 2072 at 36.2 million, a 30% decline from the current 51.7 million, even though the fertility rate may recover a bit to 0.68 in 2026. The population is expected to fall every year starting in 2025.
The issue isn’t fertility, it’s the country, the culture, the labor laws. Nobody will want to get kids in a climate like that