{"entity":{"iso2":"PT","iso3":"PRT","name":"Portugal","slug":"portugal"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"period-average-age-of-mothers-birth-order","source":"Human Fertility Database (2025) \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/period-average-age-of-mothers-birth-order","title":"Average age of mothers at childbirth by birth order","unit":"years"},"observations":[{"date":"1959-01-01","value":25.25},{"date":"1960-01-01","value":25.27},{"date":"1961-01-01","value":25.23},{"date":"1962-01-01","value":25.17},{"date":"1963-01-01","value":25.24},{"date":"1964-01-01","value":25.15},{"date":"1965-01-01","value":25.11},{"date":"1966-01-01","value":24.95},{"date":"1967-01-01","value":24.92},{"date":"1968-01-01","value":24.85},{"date":"1969-01-01","value":24.83},{"date":"1970-01-01","value":24.79},{"date":"1971-01-01","value":24.8},{"date":"1972-01-01","value":24.71},{"date":"1973-01-01","value":24.62},{"date":"1974-01-01","value":24.52},{"date":"1975-01-01","value":24.3},{"date":"1976-01-01","value":23.98},{"date":"1977-01-01","value":23.96},{"date":"1978-01-01","value":23.98},{"date":"1979-01-01","value":24.01},{"date":"1980-01-01","value":24.02},{"date":"1981-01-01","value":23.98},{"date":"1982-01-01","value":23.91},{"date":"1983-01-01","value":23.84},{"date":"1984-01-01","value":23.93},{"date":"1985-01-01","value":24.09},{"date":"1986-01-01","value":24.15},{"date":"1987-01-01","value":24.31},{"date":"1988-01-01","value":24.51},{"date":"1989-01-01","value":24.65},{"date":"1990-01-01","value":24.89},{"date":"1991-01-01","value":25.07},{"date":"1992-01-01","value":25.24},{"date":"1993-01-01","value":25.38},{"date":"1994-01-01","value":25.55},{"date":"1995-01-01","value":25.74},{"date":"1996-01-01","value":25.88},{"date":"1997-01-01","value":25.97},{"date":"1998-01-01","value":26.13},{"date":"1999-01-01","value":26.39},{"date":"2000-01-01","value":26.47},{"date":"2001-01-01","value":26.64},{"date":"2002-01-01","value":26.79},{"date":"2003-01-01","value":27.05},{"date":"2004-01-01","value":27.13},{"date":"2005-01-01","value":27.29},{"date":"2006-01-01","value":27.48},{"date":"2007-01-01","value":27.55},{"date":"2008-01-01","value":27.69},{"date":"2009-01-01","value":27.88},{"date":"2010-01-01","value":28.12},{"date":"2011-01-01","value":28.41},{"date":"2012-01-01","value":28.6},{"date":"2013-01-01","value":28.94},{"date":"2014-01-01","value":29.2},{"date":"2015-01-01","value":29.47},{"date":"2016-01-01","value":29.61},{"date":"2017-01-01","value":29.62},{"date":"2018-01-01","value":29.8},{"date":"2019-01-01","value":29.87},{"date":"2020-01-01","value":30.18},{"date":"2021-01-01","value":30.41},{"date":"2022-01-01","value":30.36},{"date":"2023-01-01","value":30.15}],"summary":{"latest_period":"2023-01-01","latest_value":30.15,"max":30.41,"mean":26.1843,"min":23.84,"of":33,"rank":12,"trend":"rising"}}