Sekai is a distinctive girls' name in United States, ranking #14237 in 2005 with 7 recorded births. This places Sekai in the bottom 26% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 10 births ranking #11273. In 2005, approximately 1 in every 263,957 girls born was named Sekai. FALLING Recent data shows the name is currently falling.