The session “new challenges for old problems, housing, affordability and a comparative perspective” on the 2023 World Town Planning Day focused on global trends affecting urban planning, specifically the need for affordable housing. The speakers shared their experiences and solutions from their respective countries, discussing challenges, Latin American housing problems, Mexico’s housing policies, affordable housing in Mexico City, and Bhutan’s development philosophy. The session concluded with a concluding discussion and encouragement for mid-career practitioners to apply to the spurs program.