{"id": 1207547, "name": "Third child SRB (Jiang et al. 2017 & NSO Korea)", "unit": "male births per 100 female births", "description": "Sex ratio at birth (SRB) of the third-born child. SRB is measured as the number of male births per 100 female births. The natural 'sex ratio at birth' is noted to be 105 male births per 100 female births.", "createdAt": "2026-03-10T08:49:07.000Z", "updatedAt": "2026-05-18T08:34:56.000Z", "coverage": "", "timespan": "1970-2017", "datasetId": 7667, "columnOrder": 0, "shortName": "third_child_srb__jiang_et_al__2017__and__nso_korea", "catalogPath": "grapher/demography/2019-04-04/sex_ratio_at_birth_by_birth_order_in_s_korea__and__china__jiang_et_al__2017__and__nso_korea/sex_ratio_at_birth_by_birth_order_in_s_korea__and__china__jiang_et_al__2017__and__nso_korea#third_child_srb__jiang_et_al__2017__and__nso_korea", "type": "float", "dataChecksum": "17641261323989474508", "metadataChecksum": "208821772565587542", "datasetName": "Sex ratio at birth by birth order in S.Korea & China (Jiang et al. 2017 & NSO Korea)", "datasetVersion": "2019-04-04", "nonRedistributable": false, "display": {"name": "Third child", "unit": "male births per 100 female births"}, "schemaVersion": 2, "presentation": {}, "dimensions": {"years": {"values": [{"id": 1970}, {"id": 1971}, {"id": 1972}, {"id": 1973}, {"id": 1974}, {"id": 1975}, {"id": 1976}, {"id": 1977}, {"id": 1978}, {"id": 1979}, {"id": 1980}, {"id": 1981}, {"id": 1982}, {"id": 1983}, {"id": 1984}, {"id": 1985}, {"id": 1986}, {"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1995}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}]}, "entities": {"values": [{"id": 127, "name": "South Korea", "code": "KOR"}, {"id": 171, "name": "China", "code": "CHN"}]}}, "origins": [{"id": 14602, "title": "Sex ratio at birth by birth order in South Korea and China", "description": "Data measures the sex ratio at birth (SRB) depending on the birth order of children (first, second, third-born or fourth-born and higher children). SRB is measured as the number of male births per 100 female births. The natural 'sex ratio at birth' is noted to be 105 male births per 100 female births.\n\nData for China is sourced from Jiang, Q., Yu, Q., Yang, S., & S\u00e1nchez-Barricarte, J. J. (2017). Changes in sex ratio at birth in china: a decomposition by birth order. Journal of Biosocial Science, 49(6), 826-841. Available at: https://www.cambridge.org/core/services/aop-cambridge-core/content/view/51D48C611E5176A042FF28684041D997/S0021932016000547a.pdf/changes_in_sex_ratio_at_birth_in_china_a_decomposition_by_birth_order.pdf\n\nData for South Korea is sourced from the National Statistical Office of Korea (NSO Korea). Available at: http://kosis.kr/eng/statisticsList/statisticsListIndex.do?menuId=M_01_01&vwcd=MT_ETITLE&parmTabId=M_01_01&parentId=A.1;A2.2;A21.3;#A21.3", "producer": "Jiang et al. and NSO Korea", "citationFull": "Jiang, Q., Yu, Q., Yang, S., and S\u00e1nchez-Barricarte, J. J. (2017). Changes in sex ratio at birth in china: a decomposition by birth order. Journal of Biosocial Science, 49(6), 826-841. Combined with data from the National Statistical Office of Korea (NSO Korea).", "urlMain": "http://kosis.kr/eng/statisticsList/statisticsListIndex.do?menuId=M_01_01&vwcd=MT_ETITLE&parmTabId=M_01_01&parentId=A.1;A2.2;A21.3;#A21.3", "dateAccessed": "2019-04-04", "datePublished": "2017"}]}