Yemen is being the top country by out of pocket expenditure (% of THE) in the world. As of 2014, out of pocket expenditure (% of THE) in Yemen was 76.4 %. The top 5 countries also includes Sudan, Cambodia, Azerbaijan, and Nigeria.
Out of pocket expenditure is any direct outlay by households, including gratuities and in-kind payments, to health practitioners and suppliers of pharmaceuticals, therapeutic appliances, and other goods and services whose primary intent is to contribute to the restoration or enhancement of the health status of individuals or population groups. It is a part of private health expenditure.