Suicide prevention is an important issue. Every year almost 800,000 people die by suicide worldwide, while alarmingly, many more individuals attempt to take their own life. However, despite the existence of evidence-based suicide preventive strategies, suicidal behaviours remain difficult to prevent. This overview will address some of the obstacles that arise in preventing suicide. Despite the existing evidence about effective prevention methods, there are still many obstacles in preventing suicide. Nonetheless, these are obstacles which can be overcome. A continued effort needs to be made to ensure that evidence-based suicide prevention methods are being implemented amongst all levels of society, particularly by healthcare professionals and policymakers alike.