The current metro area population of Arusha in 2025 is 576,000, a 3.97% increase from 2024.

• The metro area population of Arusha in 2024 was 554,000, a 3.55% increase from 2023.
• The metro area population of Arusha in 2023 was 535,000, a 3.08% increase from 2022.
• The metro area population of Arusha in 2022 was 519,000, a 2.77% increase from 2021.