Reservoir maximum water area in Japan

Japan: Reservoir maximum water area was 1,170 kmsq in 2022. β–¬ Flat

Latest (2022)
1,170 kmsq
Change on year
up 0.1%
World rank
35th
of 235 countries
All-time high
1,170 kmsq
in 2022
All-time low
1,100 kmsq
in 2000
Years of data
23
2000–2022

Reservoir maximum water area in Japan, 2000–2022

02505007501.0k1.2k2000201120222000: 1.1k kmsq2001: 1.1k kmsq2002: 1.1k kmsq2003: 1.1k kmsq2004: 1.1k kmsq2005: 1.1k kmsq2006: 1.1k kmsq2007: 1.1k kmsq2008: 1.1k kmsq2009: 1.1k kmsq2010: 1.1k kmsq2011: 1.1k kmsq2012: 1.1k kmsq2013: 1.1k kmsq2014: 1.1k kmsq2015: 1.1k kmsq2016: 1.1k kmsq2017: 1.1k kmsq2018: 1.2k kmsq2019: 1.2k kmsq2020: 1.2k kmsq2021: 1.2k kmsq2022: 1.2k kmsq

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

Analysis

Japan recorded 1,170 kmsq for reservoir maximum water area in 2022. That is the highest value across all 23 years on record.

That represents a change of up 0.1% on the previous year and up 3.5% over ten years.

Over the whole period, reservoir maximum water area in Japan peaked at 1,170 kmsq in 2022 and was at its lowest, 1,100 kmsq, in 2000.

That places Japan 35th out of 235 countries with data for 2022, putting it in the top quarter.

Averages by decade

DecadeAverage LowestHighest Years
2000s 1,125 kmsq 1,100 kmsq 1,142 kmsq 10
2010s 1,140 kmsq 1,126 kmsq 1,162 kmsq 10
2020s 1,167 kmsq 1,164 kmsq 1,170 kmsq 3

Countries ranked near Japan

  1. 32 Uruguay 1,526 kmsq compare
  2. 33 CΓ΄te d'Ivoire 1,278 kmsq compare
  3. 34 Lao People's Democratic Republic 1,178 kmsq compare
  4. 36 New Zealand 1,138 kmsq compare
  5. 37 Ethiopia 1,129 kmsq compare
  6. 38 Iran (Islamic Republic of) 1,110 kmsq compare

See the full ranking of 277 places β†’

More environment data for Japan

All data for Japan β†’

Frequently asked questions

What is reservoir maximum water area in Japan?
Reservoir maximum water area in Japan was 1,170 kmsq in 2022, according to United Nations Statistics Division, SDG Global Database.
What is the highest reservoir maximum water area recorded in Japan?
The highest recorded value was 1,170 kmsq in 2022.
What is the lowest reservoir maximum water area recorded in Japan?
The lowest recorded value was 1,100 kmsq in 2000.
How does Japan rank for reservoir maximum water area?
Japan ranks 35th out of 235 countries with data for 2022.
Is reservoir maximum water area rising or falling in Japan?
Over the last ten years it is up 3.5%. The long-run trend across the full record is flat.
Where does this Japan 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.

Download this data

CSV Β· JSON β€” 23 observations, free to reuse under UN SDG Global Database (open, attribution requested).

Share, cite or embed this page

Cite this page

Reservoir maximum water area in Japan. 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/japan/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under UN SDG Global Database (open, attribution requested); please keep the attribution.

<a href="https://environment.statizoid.com/stat/reservoir-maximum-water-area-square-kilometres/japan/">Reservoir maximum water area in Japan</a> β€” Statizoid

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