The current metro area population of Busan in 2026 is 3,493,000, a 0.26% increase from 2025.

• The metro area population of Busan in 2025 was 3,484,000, a 0.2% increase from 2024.
• The metro area population of Busan in 2024 was 3,477,000, a 0.14% increase from 2023.
• The metro area population of Busan in 2023 was 3,472,000, a 0.12% increase from 2022.