Ireland vs Tanzania: Share of marine territorial waters that are protected

Ireland

2.4%

in 2025

Tanzania

2.3%

in 2025

Ireland rank

83rd

Tanzania rank

84th

Share of marine territorial waters that are protected over time

Ireland
Tanzania

How they compare

Ireland currently reports 2.4% against 2.3% in Tanzania, a difference of 0.1%.

The two have swapped places 1 time across 13 shared years of data; in 2013 it was Tanzania ahead.

Ireland ranks 83rd and Tanzania ranks 84th of 174 regions.

Individual pages

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: 07 August 2026

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.