SEAToday.com, Jakarta - Home to over 51,000 square kilometers of coral reefs, Indonesia holds 17.95 percent of the world's total. These vibrant waters nurture an incredible diversity of marine life, with more than 3,000 fish species and 500 coral species, representing over half of the world's known coral varieties.

Furthermore, Indonesia holds a staggering 65 percent of the coral reef area within the famed Asia-Pacific Coral Triangle. Interestingly, Sulawesi is the highest concentration of Indonesian coral reefs, with a vast area of 894,000 hectares.

Curious about other countries with extensive coral reefs? Check out the information below!

• INDONESIA
  Coral reef area: 51,020 km2
  Percentage of world total: 17.85%

• AUSTRALIA
  Coral reef area: 48,960 km2
  Percentage of world total: 17.22%

• THE PHILIPPINES
  Coral reef area: 25,060 km2
  Percentage of world total: 8.81%

• FRANCE
  Coral reef area: 14,280 km2
  Percentage of world total: 5.02%

• PAPUA NEW GUINEA
  Coral reef area: 13,840 km2
  Percentage of world total: 4.87%

• FIJI
  Coral reef area: 10,020 km2
  Percentage of world total: 3.52%

• MALDIVES
  Coral reef area: 8,920 km2
  Percentage of world total: 3.14%

• SAUDI ARABIA
  Coral reef area: 6,660 km2
  Percentage of world total: 2.34%

• MARSHALL ISLANDS
  Coral reef area: 6,110 km2
  Percentage of world total: 2.15%

• INDIA
  Coral reef area: 5,790 km2
  Percentage of world total: 2.04%

Source: World Population Review (2024)