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Number of Neighboring Countries by Country (Oceania)

Australia has the most neighboring countries in Oceania โ€” 1, ahead of Papua New Guinea (1). All 2 countries ranked with the latest available data.

Top 2 Countries

# Country Share Neighbors
1 ๐Ÿ‡ฆ๐Ÿ‡บ Australia 50.0% 1
2 ๐Ÿ‡ต๐Ÿ‡ฌ Papua New Guinea 50.0% 1
Statistic

About this Ranking

The number of neighboring countries directly impacts a nation’s security calculus. More neighbors means more potential friction points, more bilateral defense relationships to manage, and greater complexity in military planning. Countries surrounded by many neighbors often maintain larger standing armies and more diversified defense strategies.