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

World: Average proportion of Marine Key Biodiversity Areas (KBAs) covered by was 46.7% in 2025. ▲ Rising

Latest (2025)
46.7%
Change on year
up 0.1%
Rank
5th
of 21 regions
All-time high
46.7%
in 2025
All-time low
25.7%
in 2000
Years of data
26
2000–2025

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

010203040502000201220252000: 25.72001: 272002: 27.92003: 28.52004: 29.92005: 31.12006: 32.52007: 33.62008: 34.72009: 36.12010: 37.42011: 38.22012: 392013: 40.22014: 41.72015: 42.62016: 43.22017: 43.82018: 44.32019: 44.82020: 45.32021: 45.72022: 46.12023: 46.62024: 46.62025: 46.7

Source: United Nations Statistics Division, SDG Global Database.

Analysis

World recorded 46.7% for average proportion of marine key biodiversity areas (kbas) covered by in 2025. That is the highest value across all 26 years on record.

The figure is up 0.1% on the previous year and up 9.7% over ten years.

Over the whole period, average proportion of marine key biodiversity areas (kbas) covered by in World peaked at 46.7% in 2025 and was at its lowest, 25.7%, in 2000.

That places World 5th out of 21 regions with data for 2025, putting it in the top quarter.

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 World, year by year

Annual values for Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%) in World, 2000 to 2025.
Year Value Change
2000 25.7%
2001 27.0% +5.2%
2002 27.9% +3.1%
2003 28.5% +2.1%
2004 29.9% +5.2%
2005 31.1% +4.0%
2006 32.5% +4.4%
2007 33.6% +3.4%
2008 34.7% +3.2%
2009 36.1% +4.3%
2010 37.4% +3.4%
2011 38.2% +2.1%
2012 39.0% +2.1%
2013 40.2% +3.1%
2014 41.7% +3.7%
2015 42.6% +2.2%
2016 43.2% +1.5%
2017 43.8% +1.4%
2018 44.3% +1.1%
2019 44.8% +1.1%
2020 45.3% +1.3%
2021 45.7% +0.8%
2022 46.1% +0.9%
2023 46.6% +1.0%
2024 46.6% +0.1%
2025 46.7% +0.1%

Averages by decade

DecadeAverage LowestHighest Years
2000s 30.7% 25.7% 36.1% 10
2010s 41.5% 37.4% 44.8% 10
2020s 46.2% 45.3% 46.7% 6

Countries ranked near World

  1. 5 Benin 100.0% compare
  2. 6 Gabon 99.9% compare
  3. 7 Bulgaria 99.7% compare
  4. 8 Malta 98.9% compare

See the full ranking of 211 places →

More environment data for World

All data for World →

Frequently asked questions

What is average proportion of marine key biodiversity areas (kbas) covered by in World?
Average proportion of marine key biodiversity areas (kbas) covered by in World was 46.7% 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 World?
The highest recorded value was 46.7% in 2025.
What is the lowest average proportion of marine key biodiversity areas (kbas) covered by recorded in World?
The lowest recorded value was 25.7% in 2000.
How does World rank for average proportion of marine key biodiversity areas (kbas) covered by?
World ranks 5th out of 21 regions with data for 2025.
Is average proportion of marine key biodiversity areas (kbas) covered by rising or falling in World?
Over the last ten years it is up 9.7%. The long-run trend across the full record is rising.
Where does this World 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 World. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 22 August 2026, from https://environment.statizoid.com/stat/average-proportion-of-marine-key-biodiversity-areas-kbas-covered-by-protected-areas/world/

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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