Anja is a distinctive girls' name in United States, ranking #2475 in 2015 with 73 recorded births. The name reached its all-time peak in 2006 with 122 births ranking #1709. Since 1996, the popularity has increased by 32.7%. In 2015, approximately 1 in every 24,447 girls born was named Anja. FALLING Recent data shows the name is currently falling.