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Inequity in access to clean water and sanitation

The supply of safe drinking water and the provision of sanitation are management issues that raise concerns about inequitable service provision, particularly in developing countries. Although several [..]
Inequity in access to clean water and sanitation

Proportion of population with improved drinking water supply in 2002

Access to improved drinking water is estimated by the percentage of the population using the following drinking water sources: household connection, public standpipe, borehole, protected dug well, [..]
Proportion of population with improved drinking water supply in 2002

Access to safe drinking water

There are currently more than 1000 million people in the world that lacks access to an easily accessible and safe water source, such as a connection to water mains or a protected well. Instead, water [..]
Access to safe drinking water

Proportion of population with improved sanitation coverage in 2002

Access to improved sanitation is estimated by the percentage of the population using the following sanitation facilities: connection to a public sewer, connection to a septic system, pour-flush [..]
Proportion of population with improved sanitation coverage in 2002

Fish diversity in freshwater systems

Although freshwater ecosystems such as rivers, lakes and wetlands occupy less than 2% of the earth’s total land surface, they provide a wide range of habitats for a significant proportion of the [..]
Fish diversity in freshwater systems

Renewable freshwater supplies, per river basin

Freshwater represents a crucial sort for human development, for nature and for ecosystem services. This graphic compares freshwater supplies in cubic metres per capita, per river basin in 1995 with a [..]
Renewable freshwater supplies, per river basin

Global freshwater resources: quantity and distribution by region

Glaciers and icecaps contain approximately 70% of the world's freshwater, but groundwater is by far the most abundant and readily available source of freshwater. This graphic illustrates the quantity [..]
Global freshwater resources: quantity and distribution by region

Time series of freeze-up and break-up dates from selected Northern Hemisphere lakes and rivers, 1846–1995

Limited by the availability of detailed observations, most historical evaluations of changes in freshwater ice have focused on relatively simple characteristics, such as the timing of autumn freeze up [..]
Time series of freeze-up and break-up dates from selected Northern Hemisphere lakes and rivers, 1846–1995

Freshwater use by sector at the beginning of the 2000s

The agricultural sector is by far the biggest user of freshwater. Analysis indicates that: - In the United States, agriculture accounts for some 49% of total freshwater use, with 80% of this volume [..]
Freshwater use by sector at the beginning of the 2000s

A World of Salt

Global water type by percentage. Estimates of global water resources based on several different calculation methods have produced varied estimates. Shiklomanov in Gleick (1993) estimated that: - The [..]
A World of Salt

Toilets needed to meet the MDG sanitation target by 2015

Ensure environmental sustainability goal (goal 7) among the Millennium Development Goals address sanitation, through the target: Halve, by 2015, the proportion of people without sustainable access to [..]
Toilets needed to meet the MDG sanitation target by 2015

Water supply and sanitation coverage in Africa

The water supply situation in Africa is already precarious, and climate change is expected to exacerbate the problem. This graphic shows the amount of water supply coverage at the national level for [..]
Water supply and sanitation coverage in Africa

Total global saltwater and freshwater estimates

Estimates of global water resources based on several different calculation methods have produced varied estimates. This graphic illustrates the proportions of saltwater and freshwater that make up the [..]
Total global saltwater and freshwater estimates

Freshwater availability: groundwater and river flow

This graphic shows the availability of freshwater through average river flows and groundwater recharge, in cubic metres per capita per year, at the national level in the year 2000. The graphic [..]
Freshwater availability: groundwater and river flow

Water supply per river basin in 1995 and 2025

Although the absolute quantities of freshwater on earth have always remained approximately the same, the uneven distribution of water and human settlement continues to create growing problems [..]
Water supply per river basin in 1995 and 2025
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