Anja is a distinctive girls' name in United States, ranking #2183 in 2005 with 84 recorded births. The name reached its all-time peak in 2006 with 122 births ranking #1709. Since 1996, the popularity has increased by 52.7%. In 2005, approximately 1 in every 21,996 girls born was named Anja. FALLING Recent data shows the name is currently falling.