A hallmark of Colombia is population-wide exposure to violence. To understand the realities of mental health in Colombia requires attention to the historical context of 60 years of unrelenting armed conflict overlaid upon high rates of homicide, gang activity and prevalent gender-based and intra-familial violence. The number of patients affected by trauma is extremely large, and the population burden of alcohol misuse and illicit drug use is significant. These patterns have brought the subspecialties of trauma and addiction psychiatry to the forefront, and highlight the need for novel treatments that integrate psychotherapeutic and psychopharmacological modalities.

Norway has, according to the World Health Organization, more psychiatrists engaged in public health services per head of population than any other country, and the proportionate numbers of psychologists and others engaged in mental healthcare are also among the world's highest. Approximately 10% of Norway's gross domestic product is spent on health, expenditure per capita that is the fourth highest internationally. We discuss how this wealth of expertise translates into the delivery of services to the public.

There is an increasing prevalence of mental disorders in Malaysia, with a growing need to improve access to timely and efficient mental healthcare to address this burden. This review outlines the current legislative framework and the challenges of delivering mental healthcare and treating mental disorders in Malaysia.

Australia was one of the first countries to develop a national mental health strategy. This article reviews the progress of reform, outlining some strengths, weaknesses and prospective challenges.

Mental health services in Japan are fully integrated into the broader healthcare system, and patients have access to a wide range of services and specialists. In addition, psychiatry services are part of comprehensive mental healthcare that provides social support to address the whole person's needs. However, there are still challenges in the mental health system in Japan, including overuse of hospital beds and coercive practices such as involuntary admission, restraint and seclusion. This article will explore the current state of mental health services, the challenges the country still faces and the efforts being made to address these challenges.

Sri Lanka boasts of making significant strides in the indicators of maternal healthcare during the past few decades. However, these indicators mostly look only at the physical well-being of women. Lack of awareness regarding maternal mental health problems among grass-root level healthcare workers, poor integration of services, and the culture and stigma regarding perinatal mental disorders are barriers to improving services in maternal mental healthcare in Sri Lanka.