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Water Resources Vulnerability

WorldPhysical EnvironmentSocial / HealthEconomic

Measure of projected water stress in the year 2020; water stress is the ratio of total annual water withdrawals to total available annual renewable supply.

World Resources Institute

A world map shows water resources vulnerability.

Areas shaded in light yellow represent regions with arid and low water use, predominantly found in parts of Australia (central regions), Egypt, Saudi Arabia, Libya, Mauritania, and Yemen. Regions with low vulnerability, less than 10 percent, are shown in light orange and are primarily located in most parts of Africa, South America, Canada, Russia, most of Asia. Areas with low-medium vulnerability, ranging from 10 to 20 percent, are depicted in orange and are scattered throughout some parts of Japan and U S A, some parts of Asia and Europe. Medium-high vulnerability areas, between 20 to 40 percent, are shown in light red and are mainly found in South Africa, China, and many more. High vulnerability regions, ranging from 40 to 80 percent, are shaded in red and are located in parts of U S A, Europe, and Asia. Areas with extremely high vulnerability, over 80 percent, are shown in dark red and include most of U S A and Asia. Some areas such as Greenland and South Pole are marked with a gray shade, indicating no data available for those regions.

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Water Resources Vulnerability

Volcanoes

No data

Arid and low water use

Low (<10%)

Low-medium (10-20%)

Medium-high (20-40%)

High (40-80%)

Extremely high (>80%)

Adatara

Agung

Akagi

Akita-Yake-yama

Alaid

Alayta

Ambalatungan Group

Ambrym

Aoba

Ararat

Arenal

Asama

Askja

Aso

Avachinsky

Awu

Azul, Cerro

Azuma

Bagana

Balbi

Bandai

Batur

Bezymianny

Bulusan

Calbuco

Cameroon, Mt.

Camiguin

Campi Flegrei

Carran-Los Venados

Chaiten

Chichon, El

Chokai

Cleveland

Colima

Cosiguina

Cotopaxi

Daisetsu

Dakataua

Deception Island

Dieng Volc Complex

Dona Juana

Dubbi

Egon

Esjufjoll

Etna

Eyjafjallajokull

Fogo

Fournaise, Piton de la

Fuego

Galeras

Galunggung

Gamalama

Grimsvotn

Guagua Pichincha

Guntur

Hakkoda Group

Hakone

Hekla

Hood

Hualalai

Hudson, Cerro

Huila

Ijen

Irazu

Izalco

Kaba

Kanlaon

Karkar

Karthala

Karymsky

Katla

Kelimutu

Kelut

Kieyo

Kilauea

Kirishima

Kliuchevskoi

Komaga-take

Krafla

Kusatsu-Shirane

La Palma

Lamington

Lamongan

Lengai, Ol Doinyo

Lewotobi

Liamuiga

Llaima

Lokon-Empung

Lonquimay

Maderas

Mahawu

Marapi

Mauna Loa

Mayon

Merapi

Michoacan-Guanajuato

Mutnovsky

Nabro

Narugo

Nasu

Negro, Cerro

Niigata-Yake-yama

Novarupta

Nyamuragira

Nyiragongo

Okataina

Okmok

Oku Volc Field

On-take

Oshima

Pacaya

Pago

Papandayan

Parker

Pelee

Peuet Sague

Pinatubo

Popocatepetl

Purace

Puyehue

Ragang

Raung

Redoubt

Reventador

Rinjani

Ruapehu

Ruiz

Sabancaya

Salak

San Cristobal

San Jorge

San Salvador

Sangay

Santa Ana

Santa Maria

Savai'i

Semeru

Shikotsu

Shishaldin

Shiveluch

Sinabung

Sinarka

Sirung

Soputan

Sorikmarapi

Soufriere Guadeloupe

Soufriere Hills

Soufriere St. Vincent

Spurr

St. Helens

Taal

Tambora

Tangkubanparahu

Tate-yama

Taupo

Tengger Caldera

Tokachi

Tolbachik

Tullu Moje

Tungurahua

Ubinas

Umboi

Unzen

Usu

Vesuvius

Victory

Villarrica

Vilyuchik

Vsevidof

Westdahl

Yake-dake

Yasur

Yellowstone

Zao

45.6%9.63%3.10%4.20%2.27%18.6%
50.0%9.74%13.7%3.74%3.44%9.51%25.8%
45.1%2.35%50.6%1.59%111215112211
73.2%13.0%2.98%2.29%34.2%17.3%7.81%143
1.78%29.9%6.11%3.99%1.88%1.38%6.36%2121414121215624121231423611
85.9%2.78%32.9%3.31%66.3%2211213111
6.13%37.1%12.5%12.7%15.9%11.2%12116113421141167
1.80%8.19%79.9%2.33%1.98%1.76%2.19%415112118123321111132212111114914
93.6%69.2%25.7%4.41%341115
1.65%13.9%1.24%1.43%2.01%3.75%3122114311121212111
49.1%8.12%7.78%3.15%3.22%215145912622111122221218251114112123102113132
49.2%4.55%4.78%6.81%6.24%20.8%1
20.0%26.2%74.8%4.33%3.28%2.95%2.37%111361412321
0.16.0