Aja is a distinctive girls' name in United States, ranking #1054 in 2001 with 203 recorded births. The name reached its all-time peak in 1996 with 246 births ranking #822. Since 1996, the popularity has decreased by 17.5%. In 2001, approximately 1 in every 8,870 girls born was named Aja. FALLING Recent data shows the name is currently falling.