Japan vs Small island developing States (SIDS): Reservoir maximum water area

Japan
1,170
in 2022
Small island developing States (SIDS)
250.61
in 2022
Japan rank
30th
Small island developing States (SIDS) rank
16th

Reservoir maximum water area over time

  • Japan
  • Small island developing States (SIDS)
2505007501.0k1.2k200020112022

How they compare

Japan currently reports 1,170 against 250.61 in Small island developing States (SIDS), a difference of 919.39.

That makes Japan's figure about 4.7 times Small island developing States (SIDS)'s.

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

Japan ranks 30th and Small island developing States (SIDS) ranks 16th of 219 countries.

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

Head to head by decade

Decade Japan Small island developing States (SIDS) Difference Ahead
2000s 1,125 198.09 926.62 Japan
2010s 1,140 231.02 908.88 Japan
2020s 1,167 242.91 924.46 Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reservoir maximum water area, Japan or Small island developing States (SIDS)?
Japan, at 1,170 against 250.61 in Small island developing States (SIDS) as of 2022.
What is the difference in reservoir maximum water area between Japan and Small island developing States (SIDS)?
919.39, with Japan ahead.
How many years of comparable data are there for Japan and Small island developing States (SIDS)?
23 years are reported by both, from 2000 to 2022.
How do Japan and Small island developing States (SIDS) rank globally for reservoir maximum water area?
Japan ranks 30th and Small island developing States (SIDS) ranks 16th of 219 countries.
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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Japan vs Small island developing States (SIDS): Reservoir maximum water area. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 22 August 2026, from https://environment.statizoid.com/compare/reservoir-maximum-water-area-square-kilometres/japan/small-island-developing-states-sids/

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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