Hong Kong, China vs United States of America: Protected area coverage of marine key biodiversity areas
Hong Kong, China
32.5%
in 2025
United States of America
34.3%
in 2025
Hong Kong, China rank
120th
United States of America rank
117th
Protected area coverage of marine key biodiversity areas over time
- Hong Kong, China
- United States of America
How they compare
United States of America currently reports 34.3% against 32.5% in Hong Kong, China, a difference of 1.8%.
That makes United States of America's figure about 1.1 times Hong Kong, China's.
Across all 26 years both countries report, United States of America has been ahead every year.
Hong Kong, China ranks 120th and United States of America ranks 117th of 190 countries.
United States of America has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Hong Kong, China | United States of America | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 32.5% | 33.3% | 0.8% | United States of America |
| 2010s | 32.5% | 34.2% | 1.8% | United States of America |
| 2020s | 32.5% | 34.3% | 1.9% | United States of America |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher protected area coverage of marine key biodiversity areas, Hong Kong, China or United States of America?
- United States of America, at 34.3% against 32.5% in Hong Kong, China as of 2025.
- What is the difference in protected area coverage of marine key biodiversity areas between Hong Kong, China and United States of America?
- 1.8%, with United States of America ahead.
- How many years of comparable data are there for Hong Kong, China and United States of America?
- 26 years are reported by both, from 2000 to 2025.
- How do Hong Kong, China and United States of America rank globally for protected area coverage of marine key biodiversity areas?
- Hong Kong, China ranks 120th and United States of America ranks 117th of 190 countries.
- Where does this data come from?
- BirdLife International, IUCN and UNEP-WCMC – processed by Our World in Data, published as Protected area coverage of marine key biodiversity areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average proportion of Marine Key Biodiversity Areas (KBAs) covered by protected areas (%).