{"entity":{"iso2":"RU","iso3":"RUS","name":"Russian Federation","slug":"russian-federation"},"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":24.44},{"date":"1960-01-01","value":24.4},{"date":"1961-01-01","value":24.12},{"date":"1962-01-01","value":24.16},{"date":"1963-01-01","value":24.01},{"date":"1964-01-01","value":24.06},{"date":"1965-01-01","value":24.03},{"date":"1966-01-01","value":23.97},{"date":"1967-01-01","value":23.95},{"date":"1968-01-01","value":23.91},{"date":"1969-01-01","value":23.75},{"date":"1970-01-01","value":23.64},{"date":"1971-01-01","value":23.52},{"date":"1972-01-01","value":23.44},{"date":"1973-01-01","value":23.4},{"date":"1974-01-01","value":23.34},{"date":"1975-01-01","value":23.29},{"date":"1976-01-01","value":23.22},{"date":"1977-01-01","value":23.18},{"date":"1978-01-01","value":23.1},{"date":"1979-01-01","value":23.03},{"date":"1980-01-01","value":22.99},{"date":"1981-01-01","value":23.01},{"date":"1982-01-01","value":23.0},{"date":"1983-01-01","value":22.96},{"date":"1984-01-01","value":22.92},{"date":"1985-01-01","value":22.91},{"date":"1986-01-01","value":22.95},{"date":"1987-01-01","value":22.92},{"date":"1988-01-01","value":22.9},{"date":"1989-01-01","value":22.78},{"date":"1990-01-01","value":22.65},{"date":"1991-01-01","value":22.6},{"date":"1992-01-01","value":22.6},{"date":"1993-01-01","value":22.56},{"date":"1994-01-01","value":22.53},{"date":"1995-01-01","value":22.67},{"date":"1996-01-01","value":22.88},{"date":"1997-01-01","value":22.97},{"date":"1998-01-01","value":23.12},{"date":"1999-01-01","value":23.29},{"date":"2000-01-01","value":23.54},{"date":"2001-01-01","value":23.66},{"date":"2002-01-01","value":23.76},{"date":"2003-01-01","value":23.85},{"date":"2004-01-01","value":23.96},{"date":"2005-01-01","value":24.11},{"date":"2006-01-01","value":24.21},{"date":"2007-01-01","value":24.34},{"date":"2008-01-01","value":24.44},{"date":"2009-01-01","value":24.67},{"date":"2010-01-01","value":24.9},{"date":"2011-01-01","value":24.91},{"date":"2012-01-01","value":24.96},{"date":"2013-01-01","value":25.14},{"date":"2014-01-01","value":25.25},{"date":"2015-01-01","value":25.45},{"date":"2016-01-01","value":25.63},{"date":"2017-01-01","value":25.77},{"date":"2018-01-01","value":25.91}],"summary":{"latest_period":"2018-01-01","latest_value":25.91,"max":25.91,"mean":23.7272,"min":22.53,"of":33,"rank":31,"trend":"rising"}}