{"entity":{"iso2":"AU","iso3":"AUS","name":"Australia","slug":"australia"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"period-average-age-of-mothers","source":"Human Fertility Database (2025); UN, World Population Prospects (2024) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/period-average-age-of-mothers","title":"Average age of mothers at childbirth","unit":"years"},"observations":[{"date":"1950-01-01","value":28.19},{"date":"1951-01-01","value":28.054},{"date":"1952-01-01","value":27.943},{"date":"1953-01-01","value":27.873},{"date":"1954-01-01","value":27.805},{"date":"1955-01-01","value":27.712},{"date":"1956-01-01","value":27.648},{"date":"1957-01-01","value":27.606},{"date":"1958-01-01","value":27.569},{"date":"1959-01-01","value":27.522},{"date":"1960-01-01","value":27.497},{"date":"1961-01-01","value":27.482},{"date":"1962-01-01","value":27.507},{"date":"1963-01-01","value":27.504},{"date":"1964-01-01","value":27.526},{"date":"1965-01-01","value":27.423},{"date":"1966-01-01","value":27.342},{"date":"1967-01-01","value":27.277},{"date":"1968-01-01","value":27.207},{"date":"1969-01-01","value":27.17},{"date":"1970-01-01","value":27.104},{"date":"1971-01-01","value":26.941},{"date":"1972-01-01","value":26.829},{"date":"1973-01-01","value":26.747},{"date":"1974-01-01","value":26.704},{"date":"1975-01-01","value":26.696},{"date":"1976-01-01","value":26.751},{"date":"1977-01-01","value":26.876},{"date":"1978-01-01","value":26.962},{"date":"1979-01-01","value":27.076},{"date":"1980-01-01","value":27.146},{"date":"1981-01-01","value":27.201},{"date":"1982-01-01","value":27.309},{"date":"1983-01-01","value":27.361},{"date":"1984-01-01","value":27.527},{"date":"1985-01-01","value":27.663},{"date":"1986-01-01","value":27.791},{"date":"1987-01-01","value":27.96},{"date":"1988-01-01","value":28.096},{"date":"1989-01-01","value":28.242},{"date":"1990-01-01","value":28.324},{"date":"1991-01-01","value":28.441},{"date":"1992-01-01","value":28.569},{"date":"1993-01-01","value":28.692},{"date":"1994-01-01","value":28.81},{"date":"1995-01-01","value":28.939},{"date":"1996-01-01","value":29.045},{"date":"1997-01-01","value":29.155},{"date":"1998-01-01","value":29.258},{"date":"1999-01-01","value":29.355},{"date":"2000-01-01","value":29.476},{"date":"2001-01-01","value":29.554},{"date":"2002-01-01","value":29.715},{"date":"2003-01-01","value":29.871},{"date":"2004-01-01","value":30.012},{"date":"2005-01-01","value":30.099},{"date":"2006-01-01","value":30.227},{"date":"2007-01-01","value":30.239},{"date":"2008-01-01","value":30.284},{"date":"2009-01-01","value":30.33},{"date":"2010-01-01","value":30.423},{"date":"2011-01-01","value":30.486},{"date":"2012-01-01","value":30.532},{"date":"2013-01-01","value":30.622},{"date":"2014-01-01","value":30.708},{"date":"2015-01-01","value":30.797},{"date":"2016-01-01","value":30.969},{"date":"2017-01-01","value":31.06},{"date":"2018-01-01","value":31.13},{"date":"2019-01-01","value":31.221},{"date":"2020-01-01","value":31.293},{"date":"2021-01-01","value":31.378},{"date":"2022-01-01","value":31.389},{"date":"2023-01-01","value":31.391}],"summary":{"latest_period":"2023-01-01","latest_value":31.391,"max":31.391,"mean":28.6302,"min":26.696,"of":236,"rank":34,"trend":"rising"}}