The current metro area population of Chittagong in 2025 is 5,653,000, a 2.52% increase from 2024.

• The metro area population of Chittagong in 2024 was 5,514,000, a 2.49% increase from 2023.
• The metro area population of Chittagong in 2023 was 5,380,000, a 2.42% increase from 2022.
• The metro area population of Chittagong in 2022 was 5,253,000, a 2.34% increase from 2021.