Share of freshwater Key Biodiversity Areas that are protected in Nigeria

Nigeria: Share of freshwater Key Biodiversity Areas that are protected was 73.8% in 2025. ▲ Rising

Latest (2025)
73.8%
Change on year
unchanged
World rank
53rd
of 164 countries
All-time high
73.8%
in 2008
All-time low
31.8%
in 2000
Years of data
26
2000–2025

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

0204060802000201220252000: 31.8 %2001: 31.8 %2002: 31.8 %2003: 31.8 %2004: 31.8 %2005: 31.8 %2006: 31.8 %2007: 31.8 %2008: 73.8 %2009: 73.8 %2010: 73.8 %2011: 73.8 %2012: 73.8 %2013: 73.8 %2014: 73.8 %2015: 73.8 %2016: 73.8 %2017: 73.8 %2018: 73.8 %2019: 73.8 %2020: 73.8 %2021: 73.8 %2022: 73.8 %2023: 73.8 %2024: 73.8 %2025: 73.8 %

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

Analysis

In 2025, share of freshwater key biodiversity areas that are protected in Nigeria stood at 73.8%. That is the highest value across all 26 years on record.

That represents a change of unchanged over ten years.

Over the whole period, share of freshwater key biodiversity areas that are protected in Nigeria peaked at 73.8% in 2008 and was at its lowest, 31.8%, in 2000.

That places Nigeria 53rd out of 164 countries with data for 2025, putting it 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 Nigeria, year by year

Annual values for Share of freshwater Key Biodiversity Areas that are protected in Nigeria, 2000 to 2025.
Year % Change
2000 31.8%
2001 31.8% +0.0%
2002 31.8% +0.0%
2003 31.8% +0.0%
2004 31.8% +0.0%
2005 31.8% +0.0%
2006 31.8% +0.0%
2007 31.8% +0.0%
2008 73.8% +131.8%
2009 73.8% +0.0%
2010 73.8% +0.0%
2011 73.8% +0.0%
2012 73.8% +0.0%
2013 73.8% +0.0%
2014 73.8% +0.0%
2015 73.8% +0.0%
2016 73.8% +0.0%
2017 73.8% +0.0%
2018 73.8% +0.0%
2019 73.8% +0.0%
2020 73.8% +0.0%
2021 73.8% +0.0%
2022 73.8% +0.0%
2023 73.8% +0.0%
2024 73.8% +0.0%
2025 73.8% +0.0%

Averages by decade

DecadeAverage LowestHighest Years
2000s 40.2% 31.8% 73.8% 10
2010s 73.8% 73.8% 73.8% 10
2020s 73.8% 73.8% 73.8% 6

Countries ranked near Nigeria

  1. 50 France 78.0% compare
  2. 51 Burundi 76.5% compare
  3. 52 Finland 75.5% compare
  4. 54 Austria 71.3% compare
  5. 55 Sierra Leone 71.1% compare
  6. 56 Morocco 70.6% compare

See the full ranking of 164 places →

More environment data for Nigeria

All data for Nigeria →

Frequently asked questions

What is share of freshwater key biodiversity areas that are protected in Nigeria?
Share of freshwater key biodiversity areas that are protected in Nigeria was 73.8% 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 Nigeria?
The highest recorded value was 73.8% in 2008.
What is the lowest share of freshwater key biodiversity areas that are protected recorded in Nigeria?
The lowest recorded value was 31.8% in 2000.
How does Nigeria rank for share of freshwater key biodiversity areas that are protected?
Nigeria ranks 53rd out of 164 countries with data for 2025.
Is share of freshwater key biodiversity areas that are protected rising or falling in Nigeria?
Over the last ten years it is unchanged. The long-run trend across the full record is rising.
Where does this Nigeria 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 Nigeria. 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/nigeria/

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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 (%).