The current metro area population of Oslo in 2025 is 1,116,000, a 1.36% increase from 2024.

• The metro area population of Oslo in 2024 was 1,101,000, a 1.38% increase from 2023.
• The metro area population of Oslo in 2023 was 1,086,000, a 1.4% increase from 2022.
• The metro area population of Oslo in 2022 was 1,071,000, a 1.42% increase from 2021.