在大多数国家中，获取低成本土地和住房是当前的一个严峻挑战。虽然不同的国家和地区面临的挑战各有差别，但一个普遍存在的事实是对大多数城市居民来说，获得并持有适足且低成本的土地和住房正变得越来越困难。《适足住房丛书》的前四册记述了在四个面临着严峻的低成本问题的地区中的低成本土地和住房现状：拉丁美洲和加勒比地区、亚洲、非洲、欧洲和北美［联合国欧洲经济委员会（United Nations Economic Commission for Europe）成员国］。每一册均首先探讨了住房条件、住房可得性、住房质量和住房保有权形式的主要发展趋势。随后，每册针对日益严峻的低成本性问题和不合标准的住房条件改善问题，分析了相应的住房政策。最后，为地方、国家和国际的政策措施提供了一些能够增加相应地区低成本住房供给的关键性建议。
As established in international law and the 2030 Sustainable Development Agenda, it is necessary to pay attention to the rights and needs of persons with disabilities.
Persons with disabilities are disproportionately represented in the poorest quintile of the population, and face additional challenges due to discriminatory laws and policies, environmental barriers, and lack of support services that would enable the enjoyment of the right to adequate housing on an equal basis with others.
In the vast majority of countries land and housing affordability is a critical contemporary challenge. While in different countries and regions the specificities of the challenge vary, the universal truism is that it is becoming increasing difficult for the vast majority of urban residents to obtain and retain adequate and affordable land and housing.
This volume investigates the state of affordable land and housing in Europe and North America (countries that comprise the United Nations Economic Commission for Europe (UNECE). It explores the major trends in housing provision, conditions, availability, and quality; analyses housing policy responses and practices; and provides key recommendations for local, national and international policy initiatives that can increase affordable housing supply.
Countries in the Latin America and Caribbean region were the first in the developing world to go through rapid urbanization. Today, the region is the second most urbanized region in the world. This urbanization process has been accompanied by sharp social contrasts and economic disparities, a buoyant informal housing and land development process and increased local democracy and municipal autonomy, coupled with active social urban movements.
In the vast majority of countries land and housing affordability is a critical contemporary challenge.