In August 1995, Takahara was selected Japan U-17 national team for 1995 U-17 World Championship. He played all 3 matches and scored 1 goal. In April 1999, he was also selected Japan U-20 national team for 1999 World Youth Championship. He played all 7 matches and scored 3 goals. Japan won the 2nd place. In February 2000, he was selected Japan national team for 2000 Asian Cup qualification. At this qualification, on February 13, he debuted against Singapore. He played all 3 matches and 3 goals and Japan won the qualify for 2000 Asian Cup.