Share of marine territorial waters that are protected in Isle of Man

Isle of Man: Share of marine territorial waters that are protected was 10.8% in 2025. ◆ Volatile

Latest (2025)
10.8%
Change on year
unchanged
World rank
50th
of 174 countries
All-time high
10.8%
in 2024
All-time low
0.0%
in 2018
Years of data
5
2018–2025

Share of marine territorial waters that are protected in Isle of Man, 2018–2025

02.557.5102018202120252018: 0 % of territorial waters2019: 0 % of territorial waters2020: 0 % of territorial waters2024: 10.8 % of territorial waters2025: 10.8 % of territorial waters

Source: Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data. Measured in % of territorial waters.

Analysis

In 2025, share of marine territorial waters that are protected in Isle of Man stood at 10.8%. That is the highest value across all 5 years on record.

Isle of Man ranks 50th of 174 countries on this measure, in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2010s 0.0% 0.0% 0.0% 2
2020s 7.2% 0.0% 10.8% 3

Countries ranked near Isle of Man

  1. 47 Finland 11.8% compare
  2. 48 Cameroon 11.4% compare
  3. 49 Italy 11.0% compare
  4. 51 Croatia 9.3% compare
  5. 52 Canada 9.2% compare
  6. 53 Guinea-Bissau 9.1% compare

See the full ranking of 174 places →

More reference data data for Isle of Man

All data for Isle of Man →

Frequently asked questions

What is share of marine territorial waters that are protected in Isle of Man?
Share of marine territorial waters that are protected in Isle of Man was 10.8% in 2025, according to Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data.
What is the highest share of marine territorial waters that are protected recorded in Isle of Man?
The highest recorded value was 10.8% in 2024.
What is the lowest share of marine territorial waters that are protected recorded in Isle of Man?
The lowest recorded value was 0.0% in 2018.
How does Isle of Man rank for share of marine territorial waters that are protected?
Isle of Man ranks 50th out of 174 countries with data for 2025.
Where does this Isle of Man data come from?
The figures come from Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data, published as part of Share of marine territorial waters that are protected. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 5 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Share of marine territorial waters that are protected
Unit
% of territorial waters
Source
Protected Planet WDPA and WD-OECM data, UNEP-WCMC and IUCN, via World Bank (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
174 places, 2,223 data points, 2013–2025
Last refreshed

Marine protected areas are regions of intertidal or sub-tidal land and associated water, flora and fauna, and cultural and historical features that have been legally or effectively reserved for protection.