Land Border Length by Country (Americas)
Brazil has the longest land borders in Americas — 14,691 km, ahead of the United States (12,034 km) and Argentina (9,665 km). All 24 countries ranked with the latest available data.
Top 15 Countries
| # | Country | Share | Land Borders |
|---|---|---|---|
| 1 | 🇧🇷 Brazil | 15.0% | 14,691 km |
| 2 | 🇺🇸 United States | 12.3% | 12,034 km |
| 3 | 🇦🇷 Argentina | 9.8% | 9,665 km |
| 4 | 🇨🇦 Canada | 9.1% | 8,894 km |
| 5 | 🇧🇴 Bolivia | 6.9% | 6,743 km |
| 6 | 🇨🇱 Chile | 6.3% | 6,171 km |
| 7 | 🇨🇴 Colombia | 6.1% | 6,004 km |
| 8 | 🇵🇪 Peru | 5.6% | 5,536 km |
| 9 | 🇻🇪 Venezuela | 5.1% | 4,993 km |
| 10 | 🇲🇽 Mexico | 4.4% | 4,353 km |
| 11 | 🇵🇾 Paraguay | 4.0% | 3,920 km |
| 12 | 🇬🇾 Guyana | 2.5% | 2,462 km |
| 13 | 🇪🇨 Ecuador | 2.0% | 2,010 km |
| 14 | 🇸🇷 Suriname | 1.7% | 1,707 km |
| 15 | 🇬🇹 Guatemala | 1.7% | 1,687 km |
Top 15 of 24 ranked countries
Concentration
🇧🇷 15.0%🇺🇸 12.3%🇦🇷 9.8%🇨🇦 9.1%🇧🇴 6.9%Rest 46.9%
The top 10 countries hold 80.6% of the regional total
Statistic
About this Ranking
Total land border length shapes a country’s defense requirements and military posture. Nations with extensive land borders must spread forces across multiple frontiers, investing heavily in border surveillance, fortifications, and rapid deployment capabilities. Longer borders generally demand larger ground forces and more complex logistics.
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