6. 2015 年，全球所有国际移民中有 15%是 20 岁以下未成年人。发展中地区青年移民比例(22%)明显高于发达地区(不足 10%)。1 同一年，儿童和青少年占难民
6. Globally, in 2015, 15 per cent of all international migrants were under the age of 20 years. The proportion of young migrants was significantly higher in the developing regions (22 per cent) than in the developed regions (less than 10 per cent).1