A recent study by The Wharton School at the University of Pennsylvania considered several factors when deciding which countries offer their residents the best quality of life. Quality of Life by Country in 2026 | Visual Capitalist/VoronoiScandinavia Dominates Good QualitiesSweden topped the list of countries with the best quality of life, scoring 100 out of 100 in The Wharton School's survey. In fact, only two non-European countries—Canada and Australia—made the top 10 best countries for quality of life. In fact, that's the biggest factor for Ukraine landing at the top of the list for countries with the lowest quality of life. Iran came in second for the lowest quality of life, also due to its current conflicts that threaten the quality of life for residents.