5 – Lisbon, PortugalWomen to Men Ratio – 118.4%
The capital of Portugal, Lisbon, is among the top 5 European cities with the most single women. It is a hilly and coastal city in Portugal and is famous for its pastel-colored buildings. Lisbon also does not lag when it comes to nightlife. It has one of the hottest nightlives in Europe with the most popular area being Bairro Alto.