Average proportion of Freshwater Key Biodiversity Areas (KBAs) in Japan

Japan: Average proportion of Freshwater Key Biodiversity Areas (KBAs) was 63.8% in 2025. ▲ Rising

Latest (2025)
63.8%
Change on year
unchanged
World rank
58th
of 150 countries
All-time high
63.8%
in 2024
All-time low
23.6%
in 2000
Years of data
26
2000–2025

Average proportion of Freshwater Key Biodiversity Areas (KBAs) in Japan, 2000–2025

02040602000201220252000: 23.62001: 23.62002: 23.62003: 25.62004: 29.12005: 332006: 33.82007: 35.72008: 362009: 36.12010: 37.42011: 38.92012: 42.32013: 46.72014: 48.82015: 50.62016: 50.72017: 51.12018: 53.12019: 53.32020: 55.32021: 58.42022: 62.92023: 63.52024: 63.82025: 63.8

Source: United Nations Statistics Division, SDG Global Database.

Analysis

Japan recorded 63.8% for average proportion of freshwater key biodiversity areas (kbas) in 2025. That is the highest value across all 26 years on record.

That represents a change of up 26.0% over ten years.

Over the whole period, average proportion of freshwater key biodiversity areas (kbas) in Japan peaked at 63.8% in 2024 and was at its lowest, 23.6%, in 2000.

Japan ranks 58th of 150 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 26 years of available data.

Average proportion of Freshwater Key Biodiversity Areas (KBAs) in Japan, year by year

Annual values for Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%) in Japan, 2000 to 2025.
Year Value Change
2000 23.6%
2001 23.6% +0.0%
2002 23.6% +0.0%
2003 25.6% +8.5%
2004 29.1% +13.6%
2005 33.0% +13.2%
2006 33.8% +2.4%
2007 35.7% +5.7%
2008 36.0% +0.9%
2009 36.1% +0.2%
2010 37.4% +3.8%
2011 38.9% +4.0%
2012 42.3% +8.8%
2013 46.7% +10.3%
2014 48.8% +4.5%
2015 50.6% +3.8%
2016 50.7% +0.0%
2017 51.1% +0.8%
2018 53.1% +4.0%
2019 53.3% +0.3%
2020 55.3% +3.7%
2021 58.4% +5.7%
2022 62.9% +7.7%
2023 63.5% +0.9%
2024 63.8% +0.4%
2025 63.8% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
2000s 30.0% 23.6% 36.1% 10
2010s 47.3% 37.4% 53.3% 10
2020s 61.3% 55.3% 63.8% 6

Countries ranked near Japan

  1. 55 Nicaragua 65.8% compare
  2. 56 Norway 65.7% compare
  3. 57 Burkina Faso 64.5% compare
  4. 59 Puerto Rico 63.8% compare
  5. 60 Mozambique 61.8% compare
  6. 61 Jamaica 61.7% compare

See the full ranking of 186 places →

More environment data for Japan

All data for Japan →

Frequently asked questions

What is average proportion of freshwater key biodiversity areas (kbas) in Japan?
Average proportion of freshwater key biodiversity areas (kbas) in Japan was 63.8% in 2025, according to United Nations Statistics Division, SDG Global Database.
What is the highest average proportion of freshwater key biodiversity areas (kbas) recorded in Japan?
The highest recorded value was 63.8% in 2024.
What is the lowest average proportion of freshwater key biodiversity areas (kbas) recorded in Japan?
The lowest recorded value was 23.6% in 2000.
How does Japan rank for average proportion of freshwater key biodiversity areas (kbas)?
Japan ranks 58th out of 150 countries with data for 2025.
Is average proportion of freshwater key biodiversity areas (kbas) rising or falling in Japan?
Over the last ten years it is up 26.0%. The long-run trend across the full record is rising.
Where does this Japan data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%). Statizoid updates them automatically from the source API.

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Average proportion of Freshwater Key Biodiversity Areas (KBAs) in Japan. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 27 August 2026, from https://environment.statizoid.com/stat/average-proportion-of-freshwater-key-biodiversity-areas-kbas-covered-by-protected-areas/japan/

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About this data

Indicator
Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
186 places, 4,836 data points, 2000–2025
Last refreshed