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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.
A mere 0.014% of all water on Earth is both fresh and easily accessible. [34] Of the remaining water, 97% is saline, and a little less than 3% is difficult to access. The fresh water available to us on the planet is around 1% of the total water on earth. [35] The total amount of easily accessible freshwater on Earth is 14,000 cubic kilometers.
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 proportion of the world's population living in countries where the daily per-capita supply of food energy is less than 9,200 kilojoules (2,200 kilocalories) decreased from 56% in the mid-1960s to below 10% by the 1990s. Similar trends can be observed for literacy, access to clean water and electricity and basic consumer items.
Most water in Earth's atmosphere and crust comes from saline seawater, while fresh water accounts for nearly 1% of the total. The vast bulk of the water on Earth is saline or salt water, with an average salinity of 35‰ (or 3.5%, roughly equivalent to 34 grams of salts in 1 kg of seawater), though this varies slightly according to the amount of runoff received from surrounding land.
African and Middle Eastern countries ravaged by war and famine remain the poorest in the world, according to new published data. RANKED: The 28 poorest countries in the world — where people live ...
Earlier this year, the annual World Happiness Report found that the U.S. dropped out of the top 20 ranking of happiest countries for the first time in the list’s history. Today, another report ...
The list has been cited by journalists and academics in making broad comparative points about countries or regions. [2] [3] The report uses 12 factors to determine the rating for each nation, including security threats, economic implosion, human rights violations and refugee flows.