Gartner Data & Analytics Summit, Sydney

data sydney 2024The current metro area population of Sydney in 2025 is 5,249,000, a 1.23% increase from 2025. The metro area population of Sydney in 2025 was 5,185,000, a 1.25% increase from 2025.Source of data. Temperature, humidity and rainfall observations are from Sydney (Observatory Hill) {station 066214}. Pressure, cloud, evaporation and sunshine observations are from