Countries with the Most Freshwater Resources (Ranked)

Brazil commands more renewable freshwater than any other country on Earth. At approximately 8,647 cubic kilometers per year — a figure representing the annual flow of rivers, groundwater recharge, and glacial melt that replenishes within Brazil's borders — the country holds roughly 20 percent of the world's total renewable freshwater supply. The Amazon River alone, the planet's largest river by discharge volume, carries about 20 percent of all freshwater that flows into the world's oceans. This extraordinary abundance is, paradoxically, both a national asset and a source of regional paradox: while the Amazon floods vast lowlands in the north, significant parts of northeastern Brazil are semi-arid and experience severe drought.

Russia is second, with approximately 4,525 km³ per year. Canada sits third at 2,860 km³. These figures reflect the geography of precipitation and topography: the countries with the most freshwater are those that either sit under the equatorial rainfall belt (Brazil, Colombia, Indonesia), have extensive mountain glaciers and high precipitation (Canada, Russia), or both.

China, fourth by total volume at 2,840 km³, provides a stark contrast when viewed on a per-capita basis: with 1.4 billion people, China's per-capita freshwater availability is only about 1,930 cubic meters per person per year — below the international threshold of 1,700 m³/person often cited as the boundary of water scarcity. India is in a comparable or worse situation. These juxtapositions — between total volume and per-capita availability, and between renewable supply and actual accessibility — are the central tensions in the global freshwater story.

Methodology

Q: What does "total renewable freshwater resources" measure and where does the data come from? A: Total renewable water resources (TRWR) as defined by FAO AQUASTAT represents the maximum amount of water that is theoretically available for a country in a given year, calculated as the sum of internal renewable water resources (precipitation-derived surface runoff and groundwater recharge within the country's borders) plus incoming flows from neighboring countries. The figure is expressed in cubic kilometers per year (km³/yr) as a long-term average. It does not represent the water that is actually captured and used — that is a smaller figure depending on infrastructure, withdrawal patterns, and seasonal distribution. AQUASTAT is maintained by the FAO and is the primary international reference for comparative national water resource data. Data in this ranking comes from the AQUASTAT database as updated through 2024, with country data reflecting different base years (most commonly 2017–2020 national reports); the reference year for each figure is the most recent available in AQUASTAT. Figures for large countries with complex river systems (Brazil, Russia, Canada, China) carry inherent uncertainty because of incomplete hydrological monitoring networks in remote areas.

Source: FAO AQUASTAT, Total Renewable Water Resources — https://www.fao.org/aquastat/en/

Source: World Bank, Renewable Internal Freshwater Resources — https://data.worldbank.org/indicator/ER.H2O.INTR.PC

Cross-reference: Wikipedia, List of Countries by Total Renewable Water Resources — https://en.wikipedia.org/wiki/List_of_countries_by_total_renewable_water_resources

Top 20 countries by total renewable freshwater resources

Rank	Country	Total (km³/year)	Per capita (m³/person/year)	Data reference
1	Brazil	8,647	~40,680	2020
2	Russia	4,525	~31,010	2020
3	Canada	2,860	~73,469	2020
4	China	2,840	~1,930	2020
5	Colombia	2,360	~46,381	2020
6	Indonesia	2,019	~7,380	2020
7	India	1,911	~1,385	2020
8	Peru	1,880	~57,012	2020
9	Venezuela	1,325	~46,596	2020
10	Democratic Rep. of Congo	1,283	~14,325	2020
11	Bangladesh	1,227	~7,451	2020
12	Myanmar	1,168	~21,463	2020
13	Chile	923	~48,287	2020
14	Argentina	876	~19,388	2020
15	Vietnam	884	~9,083	2020
16	Bolivia	574	~49,173	2020
17	Philippines	479	~4,371	2020
18	Cameroon	476	~28,477	2020
19	Thailand	438	~6,278	2020
20	United States	3,069	~9,332	2020

Note: The United States figures from AQUASTAT include transboundary inflows; some databases rank the US between 4th and 6th depending on treatment of shared river basins. Global total renewable freshwater: approximately 43,750 km³/year.

Source: FAO AQUASTAT — https://www.fao.org/aquastat/en/

Source: World Bank World Development Indicators — https://data.worldbank.org/indicator/ER.H2O.INTR.PC

Per-capita freshwater: a profoundly different ranking

The contrast between total volume and per-capita availability captures the central paradox of global water resources. The top countries by total volume include two of the world's most water-stressed nations (China and India) simply because they are so populous. A per-capita lens reveals who actually has abundant water relative to their population:

Country	Per capita (m³/person/year)	Category
Iceland	~432,000	Extreme abundance
Guyana	~314,000	Very abundant
Canada	~73,469	Very abundant
Norway	~64,000	Abundant
Peru	~57,012	Abundant
Bolivia	~49,173	Abundant
Chile	~48,287	Abundant
Colombia	~46,381	Abundant
Brazil	~40,680	Abundant
Russia	~31,010	Abundant
United States	~9,332	Adequate
Vietnam	~9,083	Adequate
Indonesia	~7,380	Adequate
India	~1,385	Approaching stress
China	~1,930	Stress threshold
Pakistan	~900	Water stress
Egypt	~20	Extreme scarcity
Saudi Arabia	~70	Extreme scarcity
Kuwait	~5	Near-absolute scarcity

The international threshold of 1,700 m³/person/year is widely cited as the boundary below which a country is considered "water stressed." Below 1,000 m³/person/year is "water scarcity." Below 500 m³/person/year is "absolute water scarcity." China and India are approaching or at the stress threshold; much of the Middle East and North Africa has been in absolute scarcity for decades.

Source: Falkenmark, M., "Water Scarcity: A Reality for Much of the World," The Courier — referenced in UN World Water Development Reports

Source: UN World Water Development Report 2023 — https://www.unwater.org/publications/un-world-water-development-report-2023

Historical context: water, civilization, and the modern crisis

Freshwater availability has shaped the location and character of human civilization since the earliest settled societies. The great river civilizations — Mesopotamia between the Tigris and Euphrates, Egypt along the Nile, the Indus Valley civilization of what is now Pakistan and northwest India, and the Yellow River civilization of northern China — all arose in regions where reliable freshwater supported agriculture in otherwise arid or semi-arid environments. The management of water — irrigation canals, flood control, water storage — was among the first great engineering achievements of organized human society.

For most of human history, the global population was small enough that the total renewable freshwater supply was not a binding constraint. This has changed dramatically in the twentieth and twenty-first centuries. The global population has grown from 1.6 billion in 1900 to over 8 billion today. Irrigation-based agriculture, which accounts for approximately 70 percent of all freshwater withdrawals globally, has expanded enormously. Industrial water use has grown. And climate change is fundamentally altering the distribution of precipitation — making wet regions wetter and dry regions drier — in ways that threaten the water security of hundreds of millions of people.

Source: IPCC, Sixth Assessment Report, Water Chapter — https://www.ipcc.ch/report/ar6/wg2/

Brazil: the water superpower and its internal contradictions

Brazil's extraordinary freshwater endowment — nearly one-fifth of the world's total renewable supply — is concentrated in the Amazon basin in the north and center-west of the country. The Amazon River system encompasses approximately 7 million square kilometers, receives annual rainfall averaging over 2,000 millimeters, and drains a basin so large that its discharge to the Atlantic Ocean affects ocean salinity patterns hundreds of kilometers offshore.

Yet Brazil's water wealth is poorly correlated with its water challenges. The semi-arid Northeast (the "Sertão") is home to tens of millions of Brazilians who live in one of the most drought-prone regions of the Western Hemisphere. Water insecurity in the Northeast is structural — the rain that falls over the Amazon does not benefit the Sertão because the Andes and the circulation patterns of the South American monsoon direct moisture away from the northeast. The Brazilian government has invested in large water transfer infrastructure — most notably the São Francisco River integration project, the country's largest infrastructure project — to move water from the São Francisco basin into the water-scarce northeast.

Brazil's largest cities also face acute water stress that its aggregate statistics obscure. São Paulo, the country's largest city and economic capital, experienced a severe water crisis in 2014–2015 when reservoirs supplying the metropolitan area of 21 million people fell to below 5 percent capacity. The crisis was partly caused by unusual drought, but also by decades of deforestation that reduced the moisture recycling capacity of surrounding forests — a concrete demonstration that deforestation and water security are tightly linked.

Source: World Resources Institute, Aqueduct Water Risk Atlas — https://www.wri.org/aqueduct

Russia: vast but unevenly distributed

Russia's 4,525 km³/year of freshwater resources are concentrated in Siberia and the Russian Far East — the least populated parts of the country. The great rivers of Siberia — the Ob, Yenisei, and Lena — are among the world's largest by discharge volume, but they flow northward into the Arctic Ocean rather than toward Russia's population centers in the west and southwest. Moscow, St. Petersburg, and the densely populated European part of Russia depend on smaller rivers and reservoirs that are under greater pressure than the aggregate statistics suggest.

Russia's freshwater infrastructure — built largely during the Soviet period — is aging, and water losses through leaking pipes and inefficient irrigation are significant. The country's agricultural sector uses irrigation extensively in the dryer southern regions, drawing on the Volga and other rivers. Climate change is altering Siberian hydrology in complex ways: earlier spring snowmelt is shifting the seasonal distribution of river flows, permafrost thaw is releasing previously frozen water stores, and increasing wildfire activity is altering catchment hydrology.

Source: FAO AQUASTAT, Russian Federation Country Profile — https://www.fao.org/aquastat/en/

Canada: water wealth and indigenous water rights

Canada's 2,860 km³/year places it third in the ranking, with a per-capita freshwater availability of approximately 73,000 m³/person/year — among the highest in the world. Canada's freshwater wealth includes the Great Lakes system (shared with the United States and representing about 20 percent of the world's surface freshwater), thousands of rivers and lakes across the Canadian Shield, and glacial meltwater systems in the Rocky Mountains.

Despite this abundance, access to clean and reliable drinking water is not universal in Canada. Indigenous communities — First Nations, Métis, and Inuit — have historically experienced severe drinking water quality problems: boil-water advisories have been issued for some First Nations communities for decades at a time. The Canadian government committed in 2015 to ending all long-term drinking water advisories on First Nations reserves, a commitment that proved harder to fulfill than anticipated and has faced ongoing scrutiny.

Canada is also a significant water exporter — not in direct bulk transfers (which are politically contentious and legally complicated under NAFTA/USMCA), but through water-intensive product exports including grain, lumber, and oil sands products. The concept of "virtual water" — the water embedded in traded goods — means that Canada's water exports are substantially larger than the direct numbers suggest.

Source: Government of Canada, Safe Drinking Water for First Nations — https://www.sac-isc.gc.ca/eng/1100100034773/1611862875982

China and India: the most consequential water stories

China and India together contain approximately 37 percent of the world's population but only about 11 percent of its total renewable freshwater supply. This mismatch — a fundamental structural constraint — is the basis of some of the most significant water security concerns of the twenty-first century.

China's water problem is both a scarcity and a distribution problem. Northern China, where much of the country's wheat is grown and where major industrial cities including Beijing sit, is chronically water-stressed; the North China Plain has been withdrawing groundwater for decades faster than it is recharged, depleting the aquifer in one of the world's most important agricultural regions. Southern China is relatively water-rich, which is why China built the South-to-North Water Diversion Project — the world's largest water transfer infrastructure, moving billions of cubic meters of water annually from the Yangtze basin to the north.

India's per-capita freshwater availability (approximately 1,385 m³/person/year) places it in the "approaching water stress" category. Much of India depends on monsoon rainfall for both agricultural water and aquifer recharge; the variability and reliability of the monsoon is, accordingly, one of the most critical climate variables for a country of 1.4 billion people. India is the world's largest user of groundwater, drawing down aquifers in the Indus Plain and Deccan regions that are not being recharged at the rate of extraction.

Source: World Bank, "Water Security and South Asia's Future," 2024 — https://www.worldbank.org/en/region/sar/publication/south-asia-water-security

Water stress: the real challenge of the twenty-first century

Total renewable freshwater resources, as tabulated above, represent a physical endowment — what nature provides. Water stress is about whether that endowment is adequate for the demands placed on it. The UN Food and Agriculture Organization and the World Resources Institute track water stress as the ratio of total freshwater withdrawals to total available resources.

Countries with high water stress — withdrawing more than 40 percent of available renewable resources — include much of the Middle East and North Africa (MENA), large parts of South Asia, and growing parts of Central Asia and northern China. Egypt is essentially entirely dependent on the Nile; its internal renewable freshwater resources are minimal relative to its population of 100 million people. Saudi Arabia has essentially no renewable freshwater resources at the surface and is entirely dependent on desalination and ancient (non-renewable) fossil aquifers for most of its freshwater needs.

Climate change is projected to intensify water stress in already-stressed regions. The IPCC's Sixth Assessment Report projects significant decreases in precipitation over the MENA region, southern Europe, southern Africa, and parts of Central Asia through the end of the century under high-emissions scenarios. Glacier retreat in the Himalayas, Andes, and other mountain ranges will initially increase river flows as ice melts, then reduce them as glaciers disappear — affecting billions of people who depend on glacial meltwater for dry-season water supply.

Source: IPCC, Sixth Assessment Report (AR6), Chapter 4: Water — https://www.ipcc.ch/report/ar6/wg2/chapter/chapter-4/

Source: World Resources Institute, Aqueduct 4.0 Water Risk Tool — https://www.wri.org/aqueduct

Freshwater, inequality, and twenty-first-century power

A pattern emerges that defines global freshwater inequality: the countries richest in water are wealthy, stable, temperate democracies in the northern hemisphere (Canada, Russia, Nordic countries), while those facing the most acute freshwater stress are poor, often politically fragile nations in warm, dry regions (Egypt, Pakistan, Bangladesh, much of Sub-Saharan Africa, the Middle East). This geographic distribution of freshwater wealth amplifies existing economic and political inequality rather than offsetting it. Canada can invest in treating its water bountifully; Egypt faces absolute scarcity of a non-renewable aquifer with no domestic solution. India's massive population and agricultural demands collide with per-capita freshwater availability barely above stress thresholds; no amount of capital investment can create rainfall where monsoons fail. Climate change is predicted to intensify this disparity, making wet regions wetter (Canada, Russia) and dry regions drier (MENA, North Africa, Central Asia). The geopolitical implication is stark: the 21st-century water map will not be redrawn by technology or finance, but by the accident of hydrology inherited from the planet's climate system. Freshwater abundance will further concentrate wealth and stability; freshwater stress will intensify fragility and migration pressure in regions already struggling with governance and poverty.

Frequently asked questions

Q: How much of the world's water is freshwater? A: Approximately 97.5 percent of all water on Earth is saltwater, found in the oceans. Of the remaining 2.5 percent that is freshwater, approximately 68.9 percent is locked in glaciers and ice caps (primarily Antarctica and Greenland), 30.8 percent is groundwater, and only about 0.3 percent is surface water (rivers, lakes, swamps) — the source most directly accessible for human use. The total volume of freshwater on Earth is large enough that water scarcity is ultimately a distribution, seasonal access, and quality problem rather than an absolute global shortage.

Q: Is groundwater included in these renewable water resource figures? A: The AQUASTAT figures for total renewable water resources include renewable groundwater — groundwater that is recharged by precipitation and other surface processes on an annual or near-annual basis. They do not include fossil aquifers — ancient underground water stores (like the Ogallala Aquifer in the US or the Nubian Sandstone Aquifer System in North Africa) that were recharged thousands to millions of years ago and are not being meaningfully replenished by current precipitation. Withdrawals from fossil aquifers are, effectively, mining a non-renewable resource, and their depletion is a significant long-term water security risk in several important agricultural regions.

Q: Which country has the most water per person? A: Iceland has by far the highest per-capita renewable freshwater resources — approximately 432,000 cubic meters per person per year — a consequence of abundant glacial meltwater, high precipitation, and a small population of about 370,000 people. Guyana (314,000 m³/person), Canada (73,000 m³/person), and Norway (around 64,000 m³/person) also rank extremely high. These figures are not directly comparable because much of the water in Iceland and Norway falls in seasons when demand is low and is not captured; the usable fraction is substantially smaller.

Q: Why does Bangladesh rank so high in total freshwater despite being a small, densely populated country? A: Bangladesh sits at the delta of three major rivers — the Ganges, Brahmaputra, and Meghna — which together carry an enormous volume of water from the Himalayan watershed. The country's high AQUASTAT ranking reflects this inflow rather than precipitation within Bangladesh itself; most of the water flows through Bangladesh from upstream countries (India, China, Bhutan, Nepal). This creates a peculiar situation: Bangladesh is one of the most water-rich countries by total volume but faces severe water quality problems (particularly arsenic contamination of groundwater) and is extremely vulnerable to flooding and saltwater intrusion from sea-level rise.

The takeaway

The global distribution of renewable freshwater resources is profoundly unequal — geographically, per-capita, and seasonally. Brazil, Russia, Canada, and a handful of other large, sparsely populated countries hold the bulk of the world's annually renewable supply. China and India together hold less than a third of what Brazil alone commands, despite containing more than twice as many people. The practical constraint on human water security is not total global availability but local and seasonal distribution, infrastructure to capture and convey water, and governance systems to allocate it equitably and efficiently. As climate change reshapes precipitation patterns and glacial meltwater cycles over the coming decades, the countries already near stress thresholds will face the most acute pressures — and the choices those countries make about water infrastructure, efficiency, and transboundary cooperation will determine much of the human geography of the twenty-first century.

Sources

• FAO AQUASTAT, Total Renewable Water Resources — https://www.fao.org/aquastat/en/
• World Bank, Renewable Internal Freshwater Resources per Capita — https://data.worldbank.org/indicator/ER.H2O.INTR.PC
• UN World Water Development Report 2023 — https://www.unwater.org/publications/un-world-water-development-report-2023
• IPCC, Sixth Assessment Report, Chapter 4: Water — https://www.ipcc.ch/report/ar6/wg2/chapter/chapter-4/
• World Resources Institute, Aqueduct 4.0 — https://www.wri.org/aqueduct
• Wikipedia, List of Countries by Total Renewable Water Resources — https://en.wikipedia.org/wiki/List_of_countries_by_total_renewable_water_resources

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