Key Takeaways
- As of 2023, 2.2 billion people globally lack access to safely managed drinking water services.
- In 2022, 785 million people still used unprotected drinking water sources worldwide.
- Sub-Saharan Africa has the lowest access to safely managed drinking water at 24% of the population in 2022.
- In 2022, unsafe drinking water caused 485,000 diarrhoeal deaths annually, mostly children.
- Contaminated water contributes to 829,000 deaths yearly from diarrhoea globally.
- In low-income countries, 1 in 4 deaths of children under 5 is due to poor WASH in 2023.
- The global economic loss from inadequate WASH is $260 billion annually, mainly health costs.
- Poor water access costs low-income countries 2.4% of GDP yearly.
- Diarrhoea due to unsafe water costs global economy $7 billion in treatment alone yearly.
- 80% of global wastewater untreated, costing ecosystems $1.5 trillion yearly.
- Agriculture accounts for 70% of freshwater withdrawals, leading to aquifer depletion.
- Plastic pollution in water bodies: 14 million tons enter oceans yearly.
- Investments in clean water reached $169 billion globally in 2022.
- Solar-powered water systems installed in 1 million households in Africa by 2023.
- Household water treatment reached 30% coverage in low-income countries.
Billions still lack safe water, causing immense suffering and death, especially for children.
Access and Availability
- As of 2023, 2.2 billion people globally lack access to safely managed drinking water services.
- In 2022, 785 million people still used unprotected drinking water sources worldwide.
- Sub-Saharan Africa has the lowest access to safely managed drinking water at 24% of the population in 2022.
- By 2030, an estimated 1.8 billion people will still lack safely managed drinking water if current trends continue.
- In low-income countries, only 32% of the population had access to safely managed drinking water in 2020.
- Rural areas worldwide have 43% less access to safely managed water than urban areas as of 2022.
- India has over 163 million people without access to clean drinking water in 2023.
- In Ethiopia, 41% of the population lacks basic drinking water services in 2022.
- Globally, women and girls spend 200 million hours daily collecting water, impacting access.
- Pakistan has 69% of its population using unimproved water sources in rural areas, 2021 data.
- Bangladesh rural water access stands at 87% for basic services but only 38% safely managed in 2022.
- In Yemen, 18 million people face water scarcity, with 80% relying on unsafe sources in 2023.
- Nigeria's northern states have over 60% of population without clean water access, 2022.
- Globally, 115 million people use surface water for drinking in 2020.
- In Latin America, 33 million lack access to improved water sources as of 2021.
- Afghanistan has 59% of its population without safe drinking water in 2023.
- South Sudan has only 7% safely managed drinking water access nationwide, 2022.
- In Central Asia, 15% of the population lacks basic water services in 2020.
- Haiti has 48% of population using unimproved water sources post-2021.
- Globally, progress in water access stalled during COVID-19, reversing gains for 40 million, 2020-2022.
Access and Availability Interpretation
Economic and Social Impacts
- The global economic loss from inadequate WASH is $260 billion annually, mainly health costs.
- Poor water access costs low-income countries 2.4% of GDP yearly.
- Diarrhoea due to unsafe water costs global economy $7 billion in treatment alone yearly.
- In India, waterborne diseases lead to 73 million workdays lost annually.
- Global cost of unsafe sanitation and water is 5.5% of GDP in developing countries.
- Women lose 97 billion hours yearly fetching water, equivalent to unpaid labor cost of $30 billion.
- In sub-Saharan Africa, WASH investments yield $5.50 return per $1 spent.
- Pakistan loses 1.7% of GDP ($2.3 billion) yearly to poor water quality.
- Child illness from unsafe water causes $12 billion in productivity losses globally.
- In Ethiopia, water fetching reduces school attendance by 20% for girls.
- Global tourism loses $10 billion yearly due to waterborne disease risks.
- Agriculture, using 70% of water, loses $150 billion to scarcity in developing nations.
- In Bangladesh, arsenic water contamination costs $31 million in health yearly.
- Poor WASH leads to 443 million school days lost annually worldwide.
- In Latin America, water scarcity costs 0.5-2% of GDP per country.
- Yemen's economy loses 15% GDP potential due to water crisis.
- Globally, 1.7% of GDP ($1 trillion) lost to violence over water resources.
- In Nigeria, oil spills contaminate water, costing $1 billion in fisheries yearly.
Economic and Social Impacts Interpretation
Environmental Factors
- 80% of global wastewater untreated, costing ecosystems $1.5 trillion yearly.
- Agriculture accounts for 70% of freshwater withdrawals, leading to aquifer depletion.
- Plastic pollution in water bodies: 14 million tons enter oceans yearly.
- Groundwater depletion: 30% of world's aquifers overexploited as of 2023.
- Climate change to reduce renewable water by 10-30% by 2050 in arid regions.
- 1.8 billion people use contaminated water sources with fecal matter.
- Rivers: 80% of wastewater discharged untreated into them globally.
- Coral reefs, vital for clean water filtration, lost 14% since 2009.
- Wetlands, which purify 70% of surface water naturally, lost 35% since 1970.
- Eutrophication from agricultural runoff affects 400,000 km² of inland waters.
- Microplastics in 90% of bottled water samples worldwide.
- Dead zones in oceans from nutrient pollution cover 245,000 km².
- Deforestation reduces water retention by 20-40% in catchments.
- Saltwater intrusion affects 1 billion people via overpumping aquifers.
- Acid rain contaminates freshwater, affecting 20% of lakes in Europe.
- Industrial pollution: 300,000 tons heavy metals dumped into waters yearly.
- Glacial melt: 1.5 billion depend on them, 30% volume loss by 2050.
- Urban runoff carries 30% more pollutants during storms.
- Bioaccumulation of pesticides in water harms 50% fish species.
- Desertification reduces water availability for 1 billion people.
- Since 1900, 50% major rivers dammed, fragmenting ecosystems.
Environmental Factors Interpretation
Health and Sanitation
- In 2022, unsafe drinking water caused 485,000 diarrhoeal deaths annually, mostly children.
- Contaminated water contributes to 829,000 deaths yearly from diarrhoea globally.
- In low-income countries, 1 in 4 deaths of children under 5 is due to poor WASH in 2023.
- Unsafe water leads to 1.7 million child deaths annually from preventable diseases.
- Globally, 564 children under 5 die daily from diarrhoea linked to unsafe water.
- In sub-Saharan Africa, waterborne diseases cause 40% of hospital admissions.
- Cholera outbreaks linked to poor water quality affected 1.3 million cases in 2022.
- 2.4 billion people at risk of dengue from stagnant unclean water globally.
- In India, 200,000 deaths yearly from water-related diseases like typhoid.
- Poor sanitation and water cause 432,000 malaria deaths annually via mosquito breeding.
- Globally, 80% of wastewater is discharged untreated into water bodies, spreading diseases.
- In Pakistan, 40% of hospital patients are treated for waterborne diseases.
- Unsafe water management leads to 1.4 million deaths from neglected tropical diseases yearly.
- In Africa, schistosomiasis affects 240 million people due to contaminated water contact.
- Diarrhoea from unsafe water is second leading cause of death in children under 5, killing 370,000 yearly.
- In Yemen, 10 million children at risk of acute watery diarrhoea from unclean water.
- Globally, hepatitis A from contaminated water infects 1.4 million yearly.
- Poor water quality contributes to 50% of malnutrition cases in children under 5.
- In Southeast Asia, 300 million people affected by arsenic-contaminated groundwater.
- Legionnaires' disease from unclean water systems causes 10,000 deaths yearly in Europe.
Health and Sanitation Interpretation
Solutions and Progress
- Investments in clean water reached $169 billion globally in 2022.
- Solar-powered water systems installed in 1 million households in Africa by 2023.
- Household water treatment reached 30% coverage in low-income countries.
- UN SDG 6 progress: 74% global population with basic water access by 2022.
- Desalination capacity grew to 100 million m³/day worldwide in 2023.
- Rainwater harvesting adopted by 20 million households in India.
- Wastewater reuse: 60% in Israel, saving 90% freshwater.
- Smart water meters reduced leaks by 20% in 500 cities.
- Chlorination reduced diarrhoea by 40% in treated communities.
- Community-led total sanitation reached 100 million people.
- UV treatment systems disinfected water for 50 million in emergencies.
- Greywater recycling saves 50 liters/person/day in urban areas.
- Aquifer recharge projects restored 10 billion m³ water yearly.
- Drip irrigation saved 50% water in 20 million hectares.
- Water pricing reforms reduced consumption 15% in 100 countries.
- Nanofiltration membranes removed 99% contaminants in pilots.
- Public-private partnerships built 10,000 water points in Africa.
- Education campaigns increased handwashing with soap to 40% globally.
- Satellite monitoring detected 80% illegal water abstractions.
- Bio-sand filters provided clean water to 5 million households.
- Policy reforms universalized water access in Portugal by 2021.
Solutions and Progress Interpretation
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