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Table 3. Reefs at Risk summary by country (or area)

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Reefs at Risk summary by country (or area)
Country
Reef area [a]

(sq. km)
Reef area as % of total in region
Reefs at Risk threat index
% at medium or higher threat
Low
Medium
High
Very High
Sq. km
%
Sq. km
%
Sq. km
%
Sq. km
%
Indonesia 50,875 51% 6,930 14% 19,809 39% 23,403 46% 733 1% 86%
Philippines 25,819 26% 559 2% 7,099 27% 16,311 63% 1,850 7% 98%
Spratly and Paracel Islands 5,752

6%

 0 0% 5,752 100% 0 0% 0 0% 100%
Malaysia 4,006

4%

 533 13% 1,771 44% 1,541 38% 161 4% 87%
India (Andaman & Nicobar Islands) 3,995

4%

 1,790 45% 2,119 53% 86 2% 0 0% 55%
Japan 2,602

3%

 581 22% 983 38% 951 37% 87 3% 78%
Thailand 1,787

1.8%

 419 23% 427 24% 917 51% 24 1% 77%
Myanmar 1,686

1.7%

 742 44% 604 36% 336 20% 4 0% 56%
Vietnam 1,122 1.1% 43 4% 252 22% 551 49% 276 25% 96%
China 932 0.9% 71 8% 130 14% 706 76% 25 3% 93%
Taiwan 654 0.7% 0 0% 189 29% 367 56% 98 15% 100%
Brunei Darussalam 187 0.2% 147 79% 30 16% 10 5% 0 0% 21%
Singapore 54 0.1% 0 0% 0 0% 54 100% 0 0% 100%
Cambodia 42 0.0% 0 0% 0 0% 38 90% 4 10% 100%
Regional total 99,513 100% 11,815 12% 39,165 39% 45,271 45% 3,262 3% 88%