In April 1995, Akiba was selected Japan U-20 national team for 1995 World Youth Championship. He played full time in all 4 matches as central defender of three backs defense. In July 1996, he was selected Japan U-23 national team for 1996 Summer Olympics. He played 1 match as substitute as defensive midfielder. Although Japan won 2 matches, Japan lost at First round. At this time, Japan won Brazil in first game. It was known as "Miracle of Miami" () in Japan.