This chart displays the growth of Sydney's population from 1950 to 2025.
| Year | Population |
| 2025-01-01 | 5248790 |
| 2024-01-01 | 5184900 |
| 2023-01-01 | 5120890 |
| 2022-01-01 | 5056570 |
| 2021-01-01 | 4991650 |
| 2020-01-01 | 4925990 |
| 2019-01-01 | 4859430 |
| 2018-01-01 | 4792280 |
| 2017-01-01 | 4708150 |
| 2016-01-01 | 4625500 |
| 2015-01-01 | 4544290 |
| 2014-01-01 | 4464620 |
| 2013-01-01 | 4386350 |
| 2012-01-01 | 4309560 |
| 2011-01-01 | 4233900 |
| 2010-01-01 | 4165740 |
| 2009-01-01 | 4098690 |
| 2008-01-01 | 4032810 |
| 2007-01-01 | 3967810 |
| 2006-01-01 | 3903940 |
| 2005-01-01 | 3874820 |
| 2004-01-01 | 3846060 |
| 2003-01-01 | 3817430 |
| 2002-01-01 | 3789050 |
| 2001-01-01 | 3760880 |
| 2000-01-01 | 3779700 |
| 1999-01-01 | 3798810 |
| 1998-01-01 | 3817980 |
| 1997-01-01 | 3837250 |
| 1996-01-01 | 3856590 |
| 1995-01-01 | 3819260 |
| 1994-01-01 | 3782190 |
| 1993-01-01 | 3745470 |
| 1992-01-01 | 3709160 |
| 1991-01-01 | 3673110 |
| 1990-01-01 | 3631940 |
| 1989-01-01 | 3591200 |
| 1988-01-01 | 3550970 |
| 1987-01-01 | 3511090 |
| 1986-01-01 | 3471700 |
| 1985-01-01 | 3432440 |
| 1984-01-01 | 3393660 |
| 1983-01-01 | 3355220 |
| 1982-01-01 | 3317270 |
| 1981-01-01 | 3279740 |
| 1980-01-01 | 3252110 |
| 1979-01-01 | 3224690 |
| 1978-01-01 | 3197530 |
| 1977-01-01 | 3170610 |
| 1976-01-01 | 3143940 |
| 1975-01-01 | 3117910 |
| 1974-01-01 | 3092120 |
| 1973-01-01 | 3066550 |
| 1972-01-01 | 3041220 |
| 1971-01-01 | 3016040 |
| 1970-01-01 | 2892480 |
| 1969-01-01 | 2773470 |
| 1968-01-01 | 2659510 |
| 1967-01-01 | 2549930 |
| 1966-01-01 | 2445020 |
| 1965-01-01 | 2390220 |
| 1964-01-01 | 2336860 |
| 1963-01-01 | 2284540 |
| 1962-01-01 | 2233460 |
| 1961-01-01 | 2183520 |
| 1960-01-01 | 2134670 |
| 1959-01-01 | 2086780 |
| 1958-01-01 | 2040040 |
| 1957-01-01 | 1994330 |
| 1956-01-01 | 1949720 |
| 1955-01-01 | 1905980 |
| 1954-01-01 | 1863280 |
| 1953-01-01 | 1819820 |
| 1952-01-01 | 1777420 |
| 1951-01-01 | 1735900 |
| 1950-01-01 | 1689940 |
