Reservoir maximum water area in World

World: Reservoir maximum water area was 487,606 kmsq in 2022. β–² Rising

Latest (2022)
487,606 kmsq
Change on year
up 0.2%
Rank
1st
of 42 groups
All-time high
487,606 kmsq
in 2022
All-time low
331,655 kmsq
in 2000
Years of data
23
2000–2022

Reservoir maximum water area in World, 2000–2022

0100.0k200.0k300.0k400.0k500.0k2000201120222000: 331.7k kmsq2001: 349.9k kmsq2002: 390.2k kmsq2003: 430.1k kmsq2004: 455.4k kmsq2005: 461.5k kmsq2006: 462.4k kmsq2007: 464.0k kmsq2008: 467.8k kmsq2009: 470.5k kmsq2010: 472.5k kmsq2011: 474.4k kmsq2012: 476.3k kmsq2013: 476.9k kmsq2014: 478.2k kmsq2015: 479.1k kmsq2016: 478.9k kmsq2017: 479.1k kmsq2018: 480.9k kmsq2019: 482.3k kmsq2020: 484.0k kmsq2021: 486.6k kmsq2022: 487.6k kmsq

Source: United Nations Statistics Division, SDG Global Database. Measured in kmsq.

Analysis

The most recent figure for reservoir maximum water area in World is 487,606 kmsq, measured in 2022. That is the highest value across all 23 years on record.

The figure is up 0.2% on the previous year and up 2.4% over ten years.

Over the whole period, reservoir maximum water area in World peaked at 487,606 kmsq in 2022 and was at its lowest, 331,655 kmsq, in 2000.

That places World 1st out of 42 groups with data for 2022, putting it in the top 10%.

The long-run direction has been consistently rising across the 23 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2000s 428,358 kmsq 331,655 kmsq 470,548 kmsq 10
2010s 477,856 kmsq 472,452 kmsq 482,311 kmsq 10
2020s 486,057 kmsq 484,004 kmsq 487,606 kmsq 3

Countries ranked near World

  1. 1 Russian Federation 89,719 kmsq compare
  2. 2 United Republic of Tanzania 35,080 kmsq compare
  3. 3 Brazil 28,941 kmsq compare
  4. 4 Uganda 28,492 kmsq compare

See the full ranking of 277 places β†’

More environment data for World

All data for World β†’

Frequently asked questions

What is reservoir maximum water area in World?
Reservoir maximum water area in World was 487,606 kmsq in 2022, according to United Nations Statistics Division, SDG Global Database.
What is the highest reservoir maximum water area recorded in World?
The highest recorded value was 487,606 kmsq in 2022.
What is the lowest reservoir maximum water area recorded in World?
The lowest recorded value was 331,655 kmsq in 2000.
How does World rank for reservoir maximum water area?
World ranks 1st out of 42 groups with data for 2022.
Is reservoir maximum water area rising or falling in World?
Over the last ten years it is up 2.4%. The long-run trend across the full record is rising.
Where does this World data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Reservoir maximum water area (square kilometres). Statizoid updates them automatically from the source API.

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Reservoir maximum water area in World. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 16 August 2026, from https://environment.statizoid.com/stat/reservoir-maximum-water-area-square-kilometres/world/

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About this data

Indicator
Reservoir maximum water area (square kilometres)
Unit
kmsq
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
277 places, 6,369 data points, 2000–2022
Last refreshed