The overall Ocean Health Index score for Tanzania is 76 out of 100, which is higher than the global average score of 73.
Tanzania is ranked 51 out of 220 regions
Click on a goal to learn how it is calculated. Learn more about goals.
Score over time in comparison to other regions
The time series plot below compares Tanzania's yearly score to 220 regions for the goal category shown in the dropdown menu. Tanzania's score line is in dark blue, while the overall average score for all regions is in dark grey. Move your mouse over lines to highlight other regions' trends.