Share of freshwater Key Biodiversity Areas that are protected in Japan

Japan: Share of freshwater Key Biodiversity Areas that are protected was 63.8% in 2025. ▲ Rising

Latest (2025)
63.8%
Change on year
unchanged
World rank
61st
of 164 countries
All-time high
63.8%
in 2024
All-time low
23.6%
in 2000
Years of data
26
2000–2025

Share of freshwater Key Biodiversity Areas that are protected in Japan, 2000–2025

02040602000201220252000: 23.6 %2001: 23.6 %2002: 23.6 %2003: 25.6 %2004: 29.1 %2005: 33 %2006: 33.8 %2007: 35.7 %2008: 36 %2009: 36.1 %2010: 37.4 %2011: 38.9 %2012: 42.3 %2013: 46.7 %2014: 48.8 %2015: 50.6 %2016: 50.6 %2017: 51 %2018: 53.1 %2019: 53.3 %2020: 55.3 %2021: 58.4 %2022: 63 %2023: 63.5 %2024: 63.8 %2025: 63.8 %

Source: BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data. Measured in %.

Analysis

The most recent figure for share of freshwater key biodiversity areas that are protected in Japan is 63.8%, measured in 2025. That is the highest value across all 26 years on record.

The figure is up 26.0% over ten years.

Over the whole period, share of freshwater key biodiversity areas that are protected in Japan peaked at 63.8% in 2024 and was at its lowest, 23.6%, in 2000.

Japan ranks 61st of 164 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.

Share of freshwater Key Biodiversity Areas that are protected in Japan, year by year

Annual values for Share of freshwater Key Biodiversity Areas that are protected in Japan, 2000 to 2025.
Year % 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% +3.7%
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 50.6% +0.0%
2017 51.0% +0.8%
2018 53.1% +4.0%
2019 53.3% +0.3%
2020 55.3% +3.7%
2021 58.4% +5.7%
2022 63.0% +7.8%
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. 58 Nicaragua 65.8% compare
  2. 59 Norway 65.7% compare
  3. 60 Burkina Faso 64.5% compare
  4. 62 Puerto Rico 63.8% compare
  5. 63 Mozambique 61.8% compare
  6. 64 Jamaica 61.7% compare

See the full ranking of 164 places →

More environment data for Japan

All data for Japan →

Frequently asked questions

What is share of freshwater key biodiversity areas that are protected in Japan?
Share of freshwater key biodiversity areas that are protected in Japan was 63.8% in 2025, according to BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data.
What is the highest share of freshwater key biodiversity areas that are protected recorded in Japan?
The highest recorded value was 63.8% in 2024.
What is the lowest share of freshwater key biodiversity areas that are protected recorded in Japan?
The lowest recorded value was 23.6% in 2000.
How does Japan rank for share of freshwater key biodiversity areas that are protected?
Japan ranks 61st out of 164 countries with data for 2025.
Is share of freshwater key biodiversity areas that are protected 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 BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data, published as part of Share of freshwater Key Biodiversity Areas that are protected. Statizoid updates them automatically from the source API.

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Share of freshwater Key Biodiversity Areas that are protected in Japan. Statizoid, drawing on BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data. Retrieved 31 August 2026, from https://environment.statizoid.com/stat/proportion-of-important-sites-for-freshwater-biodiversity-covered-by-protected-areas/japan/

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About this data

Indicator
Share of freshwater Key Biodiversity Areas that are protected
Unit
%
Source
BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
164 places, 4,264 data points, 2000–2025
Last refreshed

Average proportion of Freshwater Key Biodiversity Areas (KBAs) covered by protected areas (%).