Since the number of young people who meet with classmates after the ceremony without participating has increased, and the number of people subject to participation is large, some municipalities ease congestion by holding the Seijin-shiki ceremony in several batches, and staggering the opening time.
式には参加せずに式の終了後に同級生と合流する若者が増えたり、人数が多く式を数回行うなどして、時間をずらすことによって混雑を緩和していることもある。