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Which countries will join NATO as members in 2026? Ukraine: real money 7%, play money 8% Bosnia and Herzegovina: real money 7%, play money 8% Georgia: real money 5%, play money 5% Volume: real money 250.35345036, play money 22259.9943 Bettors: real money 12, play money 10 Categories: Politics, World Politics, Multilateral Organizations Related markets Will NATO admit Argentina as a global partner in 2026? (ID: 231593) Volume: real 279.40081043, play 21839.40163375 Bettors: real 6, play 9 Leading (real money): Will NATO admit Argentina as a global partner in 2026? 21% Leading (play money): Will NATO admit Argentina as a global partner in 2026? 30% Will Volodymyr Zelenskyy remain President of Ukraine through the end of 2026? (ID: 231616) Volume: real 357.81773429, play 38717.51805294 Bettors: real 12, play 32 Leading (real money): Will Volodymyr Zelenskyy remain President of Ukraine through the end of 2026? 76% Leading (play money): Will Volodymyr Zelenskyy remain President of Ukraine through the end of 2026? 77% Brazil to join the OECD by the end of 2026? (ID: 166867) Volume: real 660.73796403, play 19892.97580597 Bettors: real 9, play 34 Leading (real money): Brazil to join the OECD by the end of 2026? 7% Leading (play money): Brazil to join the OECD by the end of 2026? 5% Will the US announce the withdrawal of at least half of its troops from Europe by the end of 2026? (ID: 216199) Volume: real 166.99647398, play 24969.99470636 Bettors: real 8, play 12 Leading (real money): Will the US announce the withdrawal of at least half of its troops from Europe by the end of 2026? 14% Leading (play money): Will the US announce the withdrawal of at least half of its troops from Europe by the end of 2026? 18%

Which countries will join NATO as members in 2026?

Market Rules

This event predicts which of the listed countries will formally accede as full members of the North Atlantic Treaty Organization (NATO) at any point between January 1, 2026, and December 31, 2026, at 23:59 UTC. A country is considered to have joined NATO only if it completes the formal accession process and is officially recognized as a member state. The Primary Designated Source (PDS) is an official announcement by NATO confirming that the country has deposited its instrument of accession and has been accepted as a member.

If NATO’s official confirmation is delayed, incomplete, or unclear, the Secondary Confirmation Mechanism (SCM) will consist of corroboration from major, reputable international news organizations reporting the formal completion of NATO membership. Resolution will prioritize the substantive outcome over procedural technicalities, and Futuur may cancel the markets with a public explanation if a fair determination becomes impossible.

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