Which are the safest countries to seek shelter amid threat of World War 3?

As the threat of World War 3 looms large after the US-Israel's joint strike on Iran and Tehran's retaliation, Iceland would emerge as a safe nation to seek shelter. According to the Global Peace Index's 2025 data, Iceland is followed by Ireland, New Zealand, Austria, Singapore and Switzerland. The Global Peace Index measures a country's safety, conflict, and militarisation.