Coastline Length by Country (Asia)
Indonesia has the longest coastline in Asia — 54,716 km, ahead of the Philippines (36,289 km) and Japan (29,751 km). All 37 countries ranked with the latest available data.
Top 15 Countries
| # | Country | Share | Coastline |
|---|---|---|---|
| 1 | 🇮🇩 Indonesia | 29.1% | 54,716 km |
| 2 | 🇵🇭 Philippines | 19.3% | 36,289 km |
| 3 | 🇯🇵 Japan | 15.8% | 29,751 km |
| 4 | 🇨🇳 China | 7.7% | 14,500 km |
| 5 | 🇹🇷 Turkey | 3.8% | 7,200 km |
| 6 | 🇮🇳 India | 3.7% | 7,000 km |
| 7 | 🇲🇾 Malaysia | 2.5% | 4,675 km |
| 8 | 🇻🇳 Vietnam | 1.8% | 3,444 km |
| 9 | 🇹🇭 Thailand | 1.7% | 3,219 km |
| 10 | 🇸🇦 Saudi Arabia | 1.4% | 2,640 km |
| 11 | 🇰🇵 North Korea | 1.3% | 2,495 km |
| 12 | 🇮🇷 Iran | 1.3% | 2,440 km |
| 13 | 🇰🇷 South Korea | 1.3% | 2,413 km |
| 14 | 🇴🇲 Oman | 1.1% | 2,092 km |
| 15 | 🇲🇲 Myanmar | 1.0% | 1,930 km |
Top 15 of 37 ranked countries
Concentration
🇮🇩 29.1%🇵🇭 19.3%🇯🇵 15.8%🇨🇳 7.7%🇹🇷 3.8%Rest 24.3%
The top 10 countries hold 87.0% of the regional total
Statistic
About this Ranking
Coastline length determines maritime defense requirements and naval force structure. Nations with extensive coastlines must invest in larger navies and coast guards to protect territorial waters, exclusive economic zones, and vital shipping lanes.
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