A key challenge facing the monitoring and implementation of the Habitat Agenda is the scarcity of disaggregated data at the urban and suburban levels, especially in rapidly urbanizing countries.
10. 缺乏城市一级和城郊一级，特别是快速城市化国家城市一级和城郊一级的分类数据是监测和执行《人居议程》面临的一个重大挑战。