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%




