Residential mortgage markets have revived since the crisis of 1997. This evolution raises opportunities but also challenges for policymakers and regulators, from the perspective of financial sector soundness and accessibility for low-income households. As part of the financial sector flagship report,  the study focused on six countries (South Korea, China, Hong Kong (China), Thailand, Malaysia, and Indonesia). These markets differ in terms of scale, structure,  depth, risk exposure, and accessibility.