  
<prompt> Developmentally on track by household wealth
 Percentage of youngest children age 36-59 months living with their mother who are developmentally on track 
 [["", "Literacy-numeracy domain", "Social-emotional domain"], ["Lowest", 28, 73], ["Second", 40, 70], ["Middle", 40, 68], ["Fourth", 45, 70], ["Highest", 45, 76]] 
 <response> In general, the largest differentials in the proportions of children developmentally on track by background characteristics are in the literacynumeracy domain. For example, only 28% of children in the lowest wealth quintile are on track in the literacy-numeracy domain, as compared with 40% to 45% of children in the higher quintiles  