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Share of the population without access to an improved water source, 2020. Global access to clean water is a significant global challenge that affects the health, well-being, and development of people worldwide. While progress has been made in recent years, millions of people still lack access to safe and clean drinking water sources.
Out of all the water on Earth, saline water in oceans, seas and saline groundwater make up about 97% of it. Only 2.5–2.75% is fresh water, including 1.75–2% frozen in glaciers, ice and snow, 0.5–0.75% as fresh groundwater and soil moisture, and less than 0.01% of it as surface water in lakes, swamps and rivers.
The Joint Monitoring Programme for Water Supply and Sanitation of WHO and UNICEF has defined improved sanitation as follows: flush toilet, [4] connection to a piped sewer system, connection to a septic system, flush/pour-flush to a pit latrine, ventilated improved pit (VIP) latrine, pit latrine with slab, composting toilet and/or some special ...
This list of water supply and sanitation by country provides information on the status of water supply and sanitation at a national or, in some cases, also regional level. Water supply and sanitation by country
In 2015, in Colombia 91% of the population had access to "improved" water, 97% and 74%, in urban and rural areas, respectively. In 2015, there were still around 4 million lacking access to "improved" water. Regarding sanitation, 81% of the population had access to "improved" sanitation, 85% and 68%, in urban and rural areas, respectively. [17] [18]
China added more renewable energy than any other country last year — 51% of the new solar power and 60% of the new wind power globally. China, the European Union, the United States and Brazil together accounted for 81% of new solar generation in 2023.