The overall Ocean Health Index score for Heard and McDonald Islands is 74 out of 100, which is higher than the global average score of 69.
Overall Rank
Heard and McDonald Islands is ranked 49 out of 220 regions
Goal evalulation
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 Heard and McDonald Islands's yearly score to 220 regions for the goal category shown in the dropdown menu. Heard and McDonald Islands'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.