data sydney 2023Sydney's 2025 population is now estimated at 5,248,790. In 1950, the population of Sydney was 1,689,940. Sydney has grown by 63,890 in the last year, which represents a 1.23% annualIn Sydney, the month that experiences the least amount of daily sunshine is January. On average, there are only about 9.63 hours of sunlht per day during this time. The total number of sunlit