Anja is a distinctive girls' name in United States, ranking #2400 in 2009 with 80 recorded births. The name reached its all-time peak in 2006 with 122 births ranking #1709. Since 1996, the popularity has increased by 45.5%. In 2009, approximately 1 in every 22,961 girls born was named Anja. FALLING Recent data shows the name is currently falling.