Average proportion of Marine Key Biodiversity Areas (KBAs) covered by in Australia

Australia: Average proportion of Marine Key Biodiversity Areas (KBAs) covered by was 66.2% in 2025. ▲ Rising

Latest (2025)
66.2%
Change on year
unchanged
World rank
57th
of 177 countries
All-time high
66.2%
in 2022
All-time low
42.4%
in 2000
Years of data
26
2000–2025

Average proportion of Marine Key Biodiversity Areas (KBAs) covered by in Australia, 2000–2025

02040602000201220252000: 42.42001: 43.22002: 44.62003: 44.92004: 45.22005: 45.72006: 46.82007: 48.22008: 48.62009: 532010: 53.42011: 56.12012: 58.42013: 61.12014: 61.22015: 61.42016: 63.22017: 63.62018: 63.82019: 64.62020: 64.72021: 65.52022: 66.22023: 66.22024: 66.22025: 66.2

Source: United Nations Statistics Division, SDG Global Database.

Analysis

In 2025, average proportion of marine key biodiversity areas (kbas) covered by in Australia stood at 66.2%. That is the highest value across all 26 years on record.

Compared with earlier readings it is up 7.7% over ten years.

Over the whole period, average proportion of marine key biodiversity areas (kbas) covered by in Australia peaked at 66.2% in 2022 and was at its lowest, 42.4%, in 2000.

Australia ranks 57th of 177 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 Marine Key Biodiversity Areas (KBAs) covered by in Australia, year by year

Annual values for Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%) in Australia, 2000 to 2025.
Year Value Change
2000 42.4%
2001 43.2% +1.9%
2002 44.6% +3.3%
2003 44.9% +0.7%
2004 45.2% +0.6%
2005 45.7% +1.2%
2006 46.8% +2.4%
2007 48.2% +2.9%
2008 48.6% +0.7%
2009 53.0% +9.1%
2010 53.4% +0.8%
2011 56.1% +5.2%
2012 58.4% +4.1%
2013 61.1% +4.6%
2014 61.2% +0.2%
2015 61.4% +0.3%
2016 63.2% +2.9%
2017 63.6% +0.7%
2018 63.8% +0.3%
2019 64.6% +1.2%
2020 64.7% +0.3%
2021 65.5% +1.1%
2022 66.2% +1.1%
2023 66.2% +0.0%
2024 66.2% +0.0%
2025 66.2% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
2000s 46.2% 42.4% 53.0% 10
2010s 60.7% 53.4% 64.6% 10
2020s 65.8% 64.7% 66.2% 6

Countries ranked near Australia

  1. 54 New Caledonia 66.5% compare
  2. 55 South Georgia and the South Sandwich Islands 66.5% compare
  3. 56 Japan 66.2% compare
  4. 58 Angola 65.9% compare
  5. 59 Mexico 64.3% compare
  6. 60 Jersey 64.1% compare

See the full ranking of 211 places →

More environment data for Australia

All data for Australia →

Frequently asked questions

What is average proportion of marine key biodiversity areas (kbas) covered by in Australia?
Average proportion of marine key biodiversity areas (kbas) covered by in Australia was 66.2% in 2025, according to United Nations Statistics Division, SDG Global Database.
What is the highest average proportion of marine key biodiversity areas (kbas) covered by recorded in Australia?
The highest recorded value was 66.2% in 2022.
What is the lowest average proportion of marine key biodiversity areas (kbas) covered by recorded in Australia?
The lowest recorded value was 42.4% in 2000.
How does Australia rank for average proportion of marine key biodiversity areas (kbas) covered by?
Australia ranks 57th out of 177 countries with data for 2025.
Is average proportion of marine key biodiversity areas (kbas) covered by rising or falling in Australia?
Over the last ten years it is up 7.7%. The long-run trend across the full record is rising.
Where does this Australia data come from?
The figures come from United Nations Statistics Division, SDG Global Database, published as part of Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%). Statizoid updates them automatically from the source API.

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Average proportion of Marine Key Biodiversity Areas (KBAs) covered by in Australia. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 24 August 2026, from https://environment.statizoid.com/stat/average-proportion-of-marine-key-biodiversity-areas-kbas-covered-by-protected-areas/australia/

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About this data

Indicator
Average proportion of Marine 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
211 places, 5,486 data points, 2000–2025
Last refreshed