About 52.5% voted against reopening accession negotiations and 47.5% backed the government proposal, according to RÚV, after a campaign focused on sovereignty, fishing rights, the economy and security

Amid economic and security challenges, Iceland is holding a referendum more than a decade after pausing accession talks.

The Nordic nation shelved earlier plans to join the EU over fishing rights, but geopolitics, including Trump's threat to seize Greenland, has prompted a rethink.