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Only-child parents and the language cognitive ability of their children in China

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  • Xu, Hui
  • Zhang, Zheyuan
  • Zhao, Zhong

Abstract

Parents play a vital role in children’s cognitive development; however, the intergenerational impact of a burgeoning demographic—parents who are themselves only children—remains under-explored. Using the 2010 China Family Panel Studies (CFPS), this paper empirically examines how parental “only-child” status associate with their children’s language cognitive ability. We find that children of two only-child parents exhibit significantly lower language skills, while mathematical abilities remain unaffected. This disparity is most pronounced in rural children. The results are robust to the inclusion of pooled 2010 and 2014 CFPS waves. This divergence aligns with the theoretical consensus that linguistic development is more sensitive to variations of social environments. We provide suggestive evidence for several potential channels, including intergenerational cognitive transmission, parental school engagement, family educational investment, quality of parent-child interaction and children’s social relationship. Our findings suggest that shrinking family structures may create developmental disadvantages requiring targeted policy interventions.

Suggested Citation

  • Xu, Hui & Zhang, Zheyuan & Zhao, Zhong, 2026. "Only-child parents and the language cognitive ability of their children in China," Economic Analysis and Policy, Elsevier, vol. 92(C), pages 855-872.
    • Handle: RePEc:eee:ecanpo:v:92:y:2026:i:c:p:855-872
    DOI: 10.1016/j.eap.2026.06.025
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    JEL classification:

    • J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • I21 - Health, Education, and Welfare - - Education - - - Analysis of Education

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