The Plurinational State of Bolivia is a landlocked nation in central South America. Due to differences in geography, climate and rainfall distribution, Bolivia can be divided into three clearly differentiated zones: the altiplano, the sub-Andean zone of valleys and Yungas, and the plains and Amazon zone. These zones have an unequal distribution of water resources, which, when coupled with population growth, accelerated urbanization, increased industrial water demand, and changing climatic patterns, has resulted in a number of challenges with respect to water access and sanitation.
A rich source of information for measuring the current state of access to water and sanitation are household surveys. Throughout Latin America and the Carribean, household surveys provide us with representative data of the entire population, validated by statistical institutes, that allow cross-checking with other social statistics such as area, income, and gender breakdowns. This page relies heavily on Bolivia's 2020 Household Survey, which surveyed 11,056 representative households to collect information on living standards. Bolivia collects data on water in their household surveys in accordance with the WHO / UNICEF guidelines, making it easier for researchers to understand the status of water and sanitation access within the country without ambiguity. This household survey is the only household survey in the region that includes information on hygiene practices.
For more information on why OLAS uses household surveys, click here.