{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"period-average-age-of-mothers-birth-order","source":"Our World in Data","source_url":"https://ourworldindata.org/grapher/period-average-age-of-mothers-birth-order","title":"Period average age of mothers birth order","unit":null},"observations":[{"date":"1971-01-01","value":23.41},{"date":"1972-01-01","value":23.48},{"date":"1973-01-01","value":23.5},{"date":"1974-01-01","value":23.44},{"date":"1975-01-01","value":23.41},{"date":"1976-01-01","value":23.4},{"date":"1977-01-01","value":23.39},{"date":"1978-01-01","value":23.39},{"date":"1979-01-01","value":23.4},{"date":"1980-01-01","value":23.42},{"date":"1981-01-01","value":23.43},{"date":"1982-01-01","value":23.42},{"date":"1983-01-01","value":23.45},{"date":"1984-01-01","value":23.45},{"date":"1985-01-01","value":23.49},{"date":"1986-01-01","value":23.47},{"date":"1987-01-01","value":23.44},{"date":"1988-01-01","value":23.41},{"date":"1989-01-01","value":23.38},{"date":"1990-01-01","value":23.34},{"date":"1991-01-01","value":23.32},{"date":"1992-01-01","value":23.44},{"date":"1993-01-01","value":23.53},{"date":"1994-01-01","value":23.66},{"date":"1995-01-01","value":23.76},{"date":"1996-01-01","value":23.89},{"date":"1997-01-01","value":24.04},{"date":"1998-01-01","value":24.17},{"date":"1999-01-01","value":24.34},{"date":"2000-01-01","value":24.52},{"date":"2001-01-01","value":24.77},{"date":"2002-01-01","value":24.99},{"date":"2003-01-01","value":25.25},{"date":"2004-01-01","value":25.53},{"date":"2005-01-01","value":25.73},{"date":"2006-01-01","value":25.86},{"date":"2007-01-01","value":25.96},{"date":"2008-01-01","value":26.02},{"date":"2009-01-01","value":26.24},{"date":"2010-01-01","value":26.44},{"date":"2011-01-01","value":26.59},{"date":"2012-01-01","value":26.61},{"date":"2013-01-01","value":26.68},{"date":"2014-01-01","value":26.84},{"date":"2015-01-01","value":27.0},{"date":"2016-01-01","value":27.14},{"date":"2017-01-01","value":27.23},{"date":"2019-01-01","value":27.55},{"date":"2020-01-01","value":27.84},{"date":"2021-01-01","value":28.07},{"date":"2022-01-01","value":28.19}],"summary":{"latest_period":"2022-01-01","latest_value":28.19,"max":28.19,"mean":24.7788,"min":23.32,"of":33,"rank":24,"trend":"rising"}}