The current metro area population of Curitiba in 2026 is 3,923,000, a 0.87% increase from 2025.

• The metro area population of Curitiba in 2025 was 3,889,000, a 0.96% increase from 2024.
• The metro area population of Curitiba in 2024 was 3,852,000, a 1.02% increase from 2023.
• The metro area population of Curitiba in 2023 was 3,813,000, a 1.11% increase from 2022.