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As of 2025, people with a migration background—foreign residents, naturalized citizens, and children of immigrants—make up 5.4% of South Korea's population, according to government data reported by Yonhap and KBS World. The Korea Times adds that nearly one in ten residents in their 20s and 30s has a migrant background, and the overall figure grew by nearly 100,000 last year, offsetting population declines. Korean civic groups are responding by urging the government to overhaul its national population strategy, with a coalition of 180 organizations warning the plan risks sidelining families amid low birthrates.