Anja is a distinctive girls' name in United States, ranking #1684 in 2002 with 109 recorded births. The name reached its all-time peak in 2006 with 122 births ranking #1709. Since 1996, the popularity has increased by 98.2%. In 2002, approximately 1 in every 16,485 girls born was named Anja. FALLING Recent data shows the name is currently falling.