The current metro area population of Antsirabe in 2025 is 446,000, a 4.45% increase from 2024.

• The metro area population of Antsirabe in 2024 was 427,000, a 4.4% increase from 2023.
• The metro area population of Antsirabe in 2023 was 409,000, a 4.6% increase from 2022.
• The metro area population of Antsirabe in 2022 was 391,000, a 4.83% increase from 2021.