Attendance rates of any type of non-parental childcare or programme arrangement among children under five by total household income level, United States

Attendance rates for part-day and full-day pre-primary programmes among 3-5 year-olds by parents’ educational attainment, United States

Average scores in PISA mathematics, reading and science in the United States and in OECD countries

Mastery of key language and literacy-related skills as reported by parents and educators, United States

Emergent literacy scores by reported mastery of key language and literacy-related skills, United States

Mastery of key early mathematics skills as reported by parents and educators, United States

Emergent numeracy scores by reported mastery of key early numeracy or mathematics-related skills, United States

Emergent literacy scores by gender, United States

Receptive language development as reported by parents and educators, by gender, United States

Expressive language development as reported by parents and educators, by gender, United States

Numeracy development as reported by parents and educators, by gender, United States

Emergent literacy and emergent numeracy scores by age of child in months, United States

Relative associations between early difficulties and emergent literacy and emergent numeracy scores, United States

Emergent literacy and emergent numeracy scores by socio-economic quartile, United States

Emergent literacy and emergent numeracy scores by home language, United States

Emergent literacy and emergent numeracy scores by mother’s educational attainment, United States

Emergent literacy and emergent numeracy scores by number of books in the home, United States

Frequency of engagement in literacy-related activities at home, United States

Emergent literacy scores by engagement in literacy-related activities at home, United States

Frequency of engagement in numeracy-related activities at home, United States

Emergent numeracy scores by engagement in special or extra-cost activities outside the home, United States

Emergent literacy and emergent numeracy scores by parental involvement in school activities, United States

Emergent literacy scores by use of digital devices, United States

Emergent literacy scores by educational activities on digital devices, United States

Early childhood education and care attendance by socio-economic quartile, United States

Emergent literacy and emergent numeracy scores by early childhood education and care attendance, United States

Early childhood education and care attendance by age and socio-economic quartile, United States

Intensity of early childhood education and care attendance by age, United States

Correlations between emergent literacy scores and other learning domains, United States

Correlations between emergent numeracy scores and other learning domains, United States

Self-regulation development as reported by parents and educators, United States

Inhibition and working memory scores by gender, United States

Self-regulation development as reported by parents and educators, by gender, United States

Self-regulation scores by age of child in months, United States

Self-regulation scores by experience of early difficulties, United States

Self-regulation scores by socio-economic quartile, United States

Self-regulation development as reported by parents and educators, by socio-economic quartile, United States

Mental flexibility scores by home language, United States

Self-regulation development as reported by parents and educators by race/ethnicity, United States

Mental flexibility scores by mother’s educational attainment, United States

Working memory scores by number of siblings, United States

Working memory scores by number of children’s books in the home, United States

Mental flexibility scores by use of digital devices, United States

Social-emotional development as reported by parents and educators, United States

Social-emotional scores by gender, United States

Social-emotional development as reported by parents and educators by gender, United States

Social-emotional scores by socio-economic quartile and gender, United States

Social-emotional scores by age of child in months, United States

Relative associations between early difficulties and social-emotional scores, United States

Social-emotional scores by socio-economic background, United States

Social-emotional scores by home language before and after accounting for socio-economic status, United States

Social-emotional scores by mother’s educational attainment, United States

Social-emotional scores by number of books in the home, United States

Social-emotional scores by frequency of role-play with parents, United States

Social-emotional scores by frequency of being read to by parents, United States

Social-emotional scores by engagement in special or paid activities outside the home, United States

Social-emotional scores by frequency of back-and-forth conversations about feelings with parents, United States

Social-emotional scores by parental involvement in school activities, United States

Social-emotional scores by use of digital devices, United States

Percentage of the variation in emergent literacy and numeracy scores explained by social-emotional skills and socio-economic status, United States

Percentage of the variation in self-regulation scores explained by social-emotional skills and socio-economic status, United States