As of May 2016, 173 countries have signed and ratified the Optional Protocol on the Sale of Children, Child Prostitution and Child Pornography which is "Deeply concerned at the widespread and continuing practice of sex tourism, to which children are especially vulnerable".
截至2016年5月，全球共有173个国家和地区签署了《关于买卖儿童、儿童卖淫和儿童色情制品问题的任择议定书》，该议定书“深切关切儿童特别容易遭受伤害的具有广泛和持续做法的性旅行问题”。