The current metro area population of Liege in 2025 is 689,000, a 0.29% increase from 2024.

• The metro area population of Liege in 2024 was 687,000, a 0.29% increase from 2023.
• The metro area population of Liege in 2023 was 685,000, a 0.44% increase from 2022.
• The metro area population of Liege in 2022 was 682,000, a 0.29% increase from 2021.