Within Laos approximately 60-70% of the population are said to be Theravada Buddhists, with the remaining population largely following Animism in the form of spirit (phii) worship.
Water purified for drinking purposes is simply called nam deum (drinking water), whether it is boiled or filtered.
Laos Education has gone through a number of stages, from being the weakest sector to the improvements seen in recent times. The Buddhist way of teaching was the first form of education in Laos.