Anja is a distinctive girls' name in United States, ranking #2933 in 1998 with 44 recorded births. The name reached its all-time peak in 2006 with 122 births ranking #1709. Since 1996, the popularity has decreased by 20.0%. In 1998, approximately 1 in every 40,157 girls born was named Anja. FALLING Recent data shows the name is currently falling.