With a cost-of-living index of 140.6, Monaco is more expensive than any other city—thanks to ultra-luxury real estate, tax advantages, and elite status
Zurich: Cost of living index 103.8, with 1-bed rent around $2,800 /month.
Hong Kong: Index ~102.5, with 1-bed rent $3,200 /month—housing demands eat up 75% of income.