  
<prompt> Median age at first birth by education
 Median age at first birth among women age 30-49 
 [["None", 26.1], ["Elementary", 22.5], ["Preparatory", 21], ["Secondary", 22.6], ["Higher", 26.3]] 
 <response> Among women age 30-49, the median age at first birth is approximately 26 years among both those with no education (26.1 years) and those with a higher education (26.3 years); among women at the remaining educational levels, the median ranges from 21.0 to 22.6 years (i.e., 3 to 5 years younger)  