Iran (Islamic Republic of) vs Japan: Reservoir maximum water area

Iran (Islamic Republic of)
1,110
in 2022
Japan
1,170
in 2022
Iran (Islamic Republic of) rank
12th
Japan rank
30th

Reservoir maximum water area over time

  • Iran (Islamic Republic of)
  • Japan
4006008001.0k1.2k200020112022

How they compare

Japan currently reports 1,170 against 1,110 in Iran (Islamic Republic of), a difference of 60.

That makes Japan's figure about 1.1 times Iran (Islamic Republic of)'s.

Across all 23 years both countries report, Japan has been ahead every year.

Iran (Islamic Republic of) ranks 12th and Japan ranks 30th of 24 groups.

Japan has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Iran (Islamic Republic of) Japan Difference Ahead
2000s 514 1,125 610.71 Japan
2010s 869.91 1,140 269.99 Japan
2020s 1,095 1,167 72.34 Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reservoir maximum water area, Iran (Islamic Republic of) or Japan?
Japan, at 1,170 against 1,110 in Iran (Islamic Republic of) as of 2022.
What is the difference in reservoir maximum water area between Iran (Islamic Republic of) and Japan?
60, with Japan ahead.
How many years of comparable data are there for Iran (Islamic Republic of) and Japan?
23 years are reported by both, from 2000 to 2022.
How do Iran (Islamic Republic of) and Japan rank globally for reservoir maximum water area?
Iran (Islamic Republic of) ranks 12th and Japan ranks 30th of 24 groups.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Reservoir maximum water area (square kilometres). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran (Islamic Republic of) vs Japan: Reservoir maximum water area. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 03 September 2026, from https://environment.statizoid.com/compare/reservoir-maximum-water-area-square-kilometres/iran-islamic-republic-of/japan/

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About this data

Indicator
Reservoir maximum water area (square kilometres)
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