As a global leader in reducing homelessness, Finland’s 20% increase in homelessness in 2025 is alarming, and Canada should pay close attention to what contributed to that setback. This article examines how gaps in prevention and timely support have contributed to the country’s increased unhoused population, despite proven approaches like Housing First. For Canadians, Finland’s experience offers a critical opportunity to learn what works to reduce homelessness—and how to sustain that progress over time.