Aleksei is a distinctive boys' name in United States, ranking #7213 in 2025 with 11 recorded births. The name reached its all-time peak in 2001 with 25 births ranking #3413. Since 1996, the popularity has decreased by 31.3%. In 2025, approximately 1 in every 155,280 boys born was named Aleksei. FALLING Recent data shows the name is currently falling.